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Mastering Headlight Bulb Replacement: A Toyota Corolla Owner’s Guide

How to Prepare for Headlight Bulb Replacement in Your Toyota Corolla

As a car owner, it is important to be familiar with the components of your vehicle and know how to make replacements when necessary. One of the most crucial components of your car is the headlights, and when they start to fail, you need to act fast.

In this article, we will guide you on how to prepare for headlight bulb replacement in your Toyota Corolla. Step 1: Gather the Necessary Tools

Before you start the replacement process, make sure you have the right tools.

You will need a pair of gloves to avoid any injuries when working on the headlight bulbs. You should also prepare a clean cloth for wiping any dirt or dust that may have built up on the headlights.

Finally, ensure that you have the right headlight bulb for your Toyota Corolla. Step 2: Locate the Headlight Bulbs

The next step is to locate the headlight bulbs that need to be replaced.

In most Toyota Corolla models, the headlight bulbs are situated on the front of the vehicle, behind the plastic cover. Once you have located the headlight bulbs, you can proceed to the next step.

Step 3: Disconnect the Battery

Headlights are connected to the electric system of the vehicle. Thus, it is essential to disconnect the battery before starting the replacement process.

This will ensure that there is no electricity running through the system, and you avoid any injuries in the process. Step 4: Remove the Headlight Bulbs

After disconnecting the battery, you can then remove the plastic cover that shields the headlight bulbs.

Most covers are held in place by clips or screws that you can easily remove using a screwdriver. After removing the cover, you can then proceed to remove the headlight bulb.

Hold the base of the bulb firmly and twist anti-clockwise to loosen it. Once it is loose, pull it out from the socket carefully.

Step 5: Install the New Headlight Bulbs

After removing the old headlight bulbs, install the new ones. Hold it in place and turn it clockwise until it clicks in place.

Ensure that it is secure and in the correct position before replacing the plastic cover that protects the bulbs. Do not touch the new bulb with your bare hands as this may result in the bulb blowing up.

Types of Headlight Bulbs for Toyota Corolla

When replacing the headlight bulbs for your Toyota Corolla, you need to know the type of bulbs that will fit your car model. Here are some of the most common types of headlight bulbs that are compatible with Toyota Corolla:

1.

Halogen Headlight Bulbs

Halogen headlight bulbs are the most common type of bulbs found in Toyota Corolla cars. They emit bright light and have a long lifespan.

They are also relatively affordable, making them an ideal option for car owners who are on a budget. 2.

LED Headlight Bulbs

LED headlights are becoming increasingly popular because of their long lifespan and energy efficiency. They emit bright light and do not consume too much energy.

They are ideal for car owners who do a lot of night driving. 3.

HID Headlight Bulbs

HID headlights are also becoming popular because of their brightness and long lifespan. They produce up to three times more light than halogen bulbs and consume less energy.

However, they are relatively expensive and require professional installation.

Conclusion

In conclusion, being familiar with the headlight replacement process and knowing the type of bulbs that are compatible with your Toyota Corolla can save you time and money. Always remember to gather the necessary tools, disconnect the battery, and ensure that the headlight bulbs are securely fixed.

By doing this, you will always have properly functioning headlights and ensure your safety on the road. 3.

Tools Required for Headlight Bulb Replacement

Before attempting to replace any headlight bulb in your Toyota Corolla, you must gather the necessary tools. In addition to a replacement bulb, you will require the following tools:

1.

New Headlight Bulb Make sure you purchase the correct replacement headlight bulb for your Toyota Corolla. You can check the owner’s manual or the existing headlight bulb to determine the correct fit.

2. Gloves Wear gloves that provide a good grip to minimize the chances of injuring your hand while handling the new bulb or removing the old one.

3. Clean Cloth Use a clean and soft cloth to wipe the headlight, and ensure it is free of dirt, debris, and any oil.

4. Screwdriver You may need a Phillips or flat-head screwdriver to remove the screws or clips holding the headlight bulb housing in place.

5. Torx Screwdriver Some headlight bulb housings may require a Torx screwdriver to remove them.

6. Electrical Tape – In some situations when the connection between the bulb and the headlight housing is loose, you can use electrical tape to fix it.

Ensure that you have all the necessary tools before starting the replacement process. 4.

Locating the Headlight Bulb Housing

In most Toyota Corolla models, the headlight bulbs are installed from behind the headlights. The process involves locating the headlight bulb housing, which can vary depending on the year, make, and model of your Corolla.

Here are some common tips for anyone looking to locate the headlight bulb housing in their Toyota Corolla. 1.

Locate the Headlight Housing In most cases, you will find the headlight bulb housing on the front of your Corolla. Some models have an individual bulb housing for each headlight, while others may have a single housing for both headlights.

2. Consult the Owner’s Manual If you are unsure about the location of the headlight bulb housing, consult the owner’s manual.

The manual contains a detailed guide that describes the location of the bulb housing and how to remove it. 3.

Check the Headlight Assembly Look for the headlight assembly that covers the headlight bulb housing. Most headlight assemblies have snaps or clips that hold it in place, so you may need to force it out using moderate pressure.

4. Remove Screws and Clips Once you locate the housing, check around the cover for any screws or clips holding it in place.

You will need a Phillips or flat-head screwdriver to remove the screws or clips. Be sure to keep all removed screws and clips in a secure place to prevent them from getting lost.

5. Pull out the Headlight Bulb After you remove the cover or housing, then unscrew the existing bulb.

To remove the bulb, simply grip the base of the headlight bulb and twist counterclockwise while pulling it out of the socket. 6.

Replace the Bulb Install the new headlight bulb into the socket, making sure it is securely in place. Use a clean and dry cloth to avoid getting any fingerprints on the bulb as this may cause it to malfunction.

7. Reassemble the Headlight Housing Once the new bulb is installed, replace any screws or clips and reassemble the headlight housing cover.

Make sure to test the light to see if everything is in working order before driving the car. In conclusion, replacing a headlight bulb in your Toyota Corolla may seem daunting, but it’s a straightforward process once you know what you are doing.

Make sure to gather all the necessary tools before starting the replacement process and consult the owner’s manual for guidance. Once you locate the headlight bulb housing, follow the steps carefully to ensure that the installation process is successful and that you end up with properly functioning headlights.

Remember to take your time, stay focused, and ensure proper safety when replacing your headlight bulb. 5.

Steps to Remove the Headlight Bulb

Removing a headlight bulb from your Toyota Corolla requires specific steps to be followed carefully. Here are the stages to remove the headlight bulb from your car properly:

1.

Disconnect the Battery The first step before working on any electrical system is to disconnect the vehicle’s battery. This helps prevent electric shock while working on the headlight bulbs.

2. Remove the Headlight Housing To access the headlight bulb, remove the housing by either pressing on the clips or screws that hold it in place.

You may also need to unscrew any brackets holding the housing. 3.

Unplug the Bulb Carefully disconnect the wiring harness connected to the bulb. Reach into the back of the headlight assembly and twist the bulb counter-clockwise to detach the bulb from its holder.

It would be best if you didn’t touch the bulb’s glass as oil from your fingers can burn hot spots on the bulb. 4.

Remove the Old Headlight Bulb Remove the old headlight bulb by carefully pulling it out from the holder. Some models may feature a retaining clip, so make sure to check and remove it if present.

5. Replace Old Bulb with New Take the new bulb and place it in the holder or socket.

Avoid touching its glass because it may leave fingerprints that may cause the bulb’s lifespan to be shortened. Carefully secure the new bulb in place by turning it clock-wise as you press it inwards.

Ensure that it is securely fitted in place, as any jolt or vibration can knock it off. 6.

Reconnect Electrical Connections Once the new bulb is firmly in place, attach the wiring harness to the light fixture. Turn on the headlights of your vehicle to ensure that the bulb works correctly and produces enough light.

7. Reassemble Headlight Housing After you’re sure that the bulb is securely in place and operational, reattach the headlight assembly.

Make sure to fasten any screws or clips holding the housing in place. 6.

Inspecting the Headlight Assembly for Signs of Damage

Headlights are essential components that provide illumination during night driving, and it is crucial that they work correctly. Therefore, it is essential to inspect the headlight assembly for any signs of damage or wear.

Here are the steps to inspect the headlight assembly:

1. Check the Headlight Lens Check the headlight lens for any scratches, cracks, or discoloration.

A cloudy headlight may appear illuminated, but it may not illuminate the area in front of your vehicle correctly. 2.

Examine the Headlight Housing Check the headlight housing for any cracks, scratches, or any visible signs of damage. If you see any damage, you may need to replace the entire headlight assembly.

3. Look for Bulb Sockets and Wiring Check the bulb sockets to ensure that they are not corroded or rusted.

Check the wiring harness for any signs of wear, such as frays or cut wires. 4.

Check the Lamp Socket The lamp socket is the part that holds the bulb in the housing. Check the socket for any bent or damaged contacts that may affect the bulb’s performance.

5. Evaluate Alignment Aim the beams of the headlights on a flat wall to see if they are aligned correctly.

They should be level, even, and aimed correctly for optimal performance. If they are not, you can adjust the alignment based on the guidelines in your Toyota Corolla’s owner’s manual.

6. Ensure All Connectors are Secure Ensure that the electrical connections are all secure and not loose.

Loose connections can cause failure and significantly reduce the performance of your headlights. By following the above steps, you can ensure that your headlight assembly is working correctly and that all the components are in good condition.

Regular inspection and maintenance of your headlights can help prevent further damage, reduce the risk of accidents, and ensure that your vehicle emits enough lighting during night driving. 7.

Choosing the Right Replacement Headlight Bulb

When it comes to choosing a replacement headlight bulb for your Toyota Corolla, there are a few factors to consider. The right headlight bulb can significantly improve visibility and ensure a safer driving experience.

Here are some aspects to consider when selecting the right replacement bulb:

1. Type of Bulb There are several types of headlight bulbs available for Toyota Corolla, including halogen, LED, and HID bulbs.

Each type has its own unique characteristics, so consider your specific needs. Halogen bulbs are the most common and affordable option, providing decent brightness.

LED bulbs offer energy efficiency and a longer lifespan. HID bulbs, while more expensive, produce the brightest light output.

2. Brightness The brightness of the bulb is an important consideration for visibility and safety on the road.

Look for bulbs with a higher lumens rating for increased brightness. However, it’s important to note that overly bright bulbs may cause glare to oncoming drivers, so ensure that your chosen bulb adheres to local regulations.

3. Longevity Another factor to consider is the lifespan of the bulb.

While LED and HID bulbs generally last longer than halogen bulbs, they also tend to be more expensive. Consider how often you use your headlights and your budget when choosing a bulb with an appropriate lifespan.

4. Compatibility Make sure the replacement bulb is compatible with your Toyota Corolla model.

Check your owner’s manual or the existing bulb to determine the correct bulb size, base type, and wattage. Using an incompatible bulb may result in poor performance or damage to the headlight assembly.

5. Manufacturer Reputation Opt for bulbs from reputable manufacturers that have a proven track record of producing quality automotive lighting products.

Research customer reviews and ratings to ensure reliability and customer satisfaction. 8.

Installing the New Headlight Bulb

Once you have selected the right replacement headlight bulb for your Toyota Corolla, it’s time to install it. Follow these steps to ensure a successful installation:

1.

Prepare Start by wearing gloves to avoid touching the bulb with bare hands and potentially causing damage. Make sure the vehicle’s engine is turned off and the headlights are switched off.

2. Access the Bulb Open the hood of your Corolla and locate the back of the headlight assembly.

Depending on the model year and design, you may need to remove a rubber cover or unclip a plastic cover to access the bulb. 3.

Remove the Old Bulb Twist the bulb socket counterclockwise and pull it out of the headlight assembly carefully. Some bulbs may require you to press down and twist to release them.

Take note of any retaining clips or tabs that need to be manipulated before removing the bulb. 4.

Insert the New Bulb Carefully insert the new bulb into the headlight assembly. Ensure that it aligns properly with the socket, and gently twist it clockwise to secure it in place.

Do not force the bulb or touch the glass part with bare hands. 5.

Test the Bulb Turn on the headlights to check if the new bulb is functioning correctly. Verify that both high and low beam functions are working properly.

If the light is not functioning, double-check the bulb positioning and connection. 6.

Secure the Bulb and Close the Housing Once the bulb is tested and confirmed to be working, secure it in position by twisting the socket clockwise. Replace any cover or housing that was removed earlier, ensuring a tight fit.

7. Reconnect the Battery If you had disconnected the battery at the beginning of the process, reconnect it now.

Ensure that all connections are secure and free of any faults. Remember, always consult your Toyota Corolla’s owner’s manual for specific instructions and any additional steps that may be required for your model.

If you are uncertain or uncomfortable with the installation process, it’s best to consult a professional to ensure proper installation and to avoid any potential damage to your vehicle’s electrical system. 9.

Aligning the Headlight Assembly Correctly

Properly aligning the headlight assembly after replacing a bulb is crucial to ensure optimal performance and to prevent causing glare for other drivers on the road. Here are the steps to correctly align the headlight assembly in your Toyota Corolla:

1.

Find a Flat Surface Park your vehicle on a level surface facing a flat wall or garage door that is approximately 25 feet away. 2.

Measure and Mark Measure and mark a horizontal line on the wall at the same height as the center of your headlights, and mark a vertical line to indicate the center of the vehicle between the headlights. 3.

Adjust the Vertical Alignment Screw Locate the vertical alignment screw, usually located near the top of the headlight assembly. Using a Phillips or Torx screwdriver, turn the screw clockwise to lower the beam or counterclockwise to raise it.

Adjust the screws gradually and observe the changes in the headlight beam’s position on the wall. 4.

Adjust the Horizontal Alignment Screw Locate the horizontal alignment screw, often found on the side of the headlight assembly. Use the same screwdriver to turn the screw clockwise to move the beam to the right or counterclockwise to move it to the left.

Again, make small adjustments and observe the changes in the beam’s position. 5.

Aim for Proper Alignment Adjust the beams until they are level and symmetrically aligned, with the brightest part of the beam centered on the marked vertical line and slightly below the marked horizontal line. Ensure that the left and right beams are at the same height.

6. Test the Alignment Once you believe you have achieved the proper alignment, take your vehicle for a short nighttime drive on a well-lit road to confirm that the headlights are not causing excessive glare for oncoming drivers.

Adjust further if necessary. It’s important to note that headlight alignment may vary depending on specific Toyota Corolla models and the preferences of individual drivers.

Therefore, referring to the owner’s manual for specific guidance and adjustment procedures is highly recommended. 10.

Testing the New Headlight Bulb

After installing a new headlight bulb in your Toyota Corolla, it’s essential to thoroughly test the bulb to ensure proper function and alignment. Here’s how to test your new headlight bulb:

1.

Turn On the Headlights Start by turning on your vehicle’s ignition and switching on the headlights. Check if both the low beam and high beam functions are working.

If only one beam works or neither beam works, it could indicate an installation error or a problem with the electrical system. 2.

Evaluate Light Output Take note of the light output and intensity of both the low and high beams. Compare them to the other headlight to ensure they are evenly matched.

If you notice any significant differences in brightness or beam pattern, it may indicate a defective bulb or improper installation. 3.

Check for Proper Aim Evaluate the beam pattern and aim of your headlights. Ensure they are properly aligned and provide good coverage of the road ahead without excessively glaring oncoming traffic.

Refer to the previous section on aligning the headlight assembly to ensure the bulbs are correctly oriented and adjusted. 4.

Observe for Flickering or Inconsistencies Monitor the headlights for any flickering or inconsistent lighting. Dimming or intermittent lighting can be a sign of a loose connection, faulty wiring, or an incompatible bulb.

If you notice any irregularities, double-check the bulb’s installation and connections. 5.

Road Test Take your vehicle for a drive at night and test the headlights under various conditions such as city streets, highways, and unlit roads. This will help you assess the effectiveness of the new bulb in providing sufficient visibility and performance.

If you encounter any issues or are not confident in the bulb’s performance, consult with a professional technician who can diagnose and rectify any problems. Remember to periodically inspect and clean your headlights, as dirt or debris build-up can diminish their effectiveness over time.

11. Tips to Ensure Longevity of Headlight Bulbs

To maximize the longevity of your headlight bulbs in your Toyota Corolla, it’s essential to take proper care and follow some practical tips.

Here are some tips to ensure the longevity of your headlight bulbs:

1. Avoid Touching the Bulb – When handling headlight bulbs, always wear gloves or use a clean cloth.

Touching the bulb with bare hands can leave oily residue, which can cause hot spots and reduce its lifespan. 2.

Keep the Headlights Clean – Regularly clean the headlights to remove dirt, grime, and debris, as these can reduce visibility and affect the performance of the bulbs. Use a soft cloth and a gentle, non-abrasive cleaner to prevent any scratches on the lens.

3. Adjust Headlight Aim – Incorrectly aimed headlights can cause unnecessary strain on the bulbs and reduce their lifespan.

Make sure to check and adjust the headlight alignment periodically, especially if you notice any changes in the beam pattern. 4.

Avoid Frequent On/Off Cycles – Frequent on/off cycles can cause a surge in voltage, which can decrease the lifespan of the bulbs. Minimize the number of times you turn your headlights on and off unnecessarily.

5. Check Electrical Connections – Periodically inspect the electrical connections for any signs of corrosion or damage.

Clean any corrosion using a specialized electrical cleaner or replace the connectors if necessary. Proper electrical connections ensure efficient performance and prolong the life of the bulbs.

6. Use High-Quality Bulbs – Invest in high-quality, reputable brand bulbs that are specifically designed for your Toyota Corolla.

Cheaper, inferior bulbs may not last as long or provide optimal performance. 7.

Avoid Overvoltage – Using bulbs with a higher wattage than recommended can lead to overvoltage, which can significantly reduce the lifespan of the bulbs. Always use bulbs with the correct wattage specified by the manufacturer.

8. Don’t Use the Bulbs as Daytime Running Lights (DRLs) – Using the headlights as DRLs can significantly decrease their lifespan.

Headlights are not designed to be used for extended periods during the day. Instead, use dedicated DRLs if your vehicle is equipped with them.

9. Replace Bulbs in Pairs – When one headlight bulb goes out, it’s a good practice to replace both bulbs at the same time.

This ensures consistent brightness and color temperature and prevents one bulb from wearing out faster than the other. 10.

Store Spare Bulbs Properly – If you have spare headlight bulbs, store them in a clean, dry, and cool place. Avoid exposing them to extreme temperature fluctuations or humidity, as these can affect their performance and lifespan.

12. Common Headlight Bulb Problems and Solutions

While headlight bulbs in Toyota Corollas are generally reliable, they can encounter some common problems.

Here are a few common headlight bulb problems and their solutions:

1. Dim or Flickering Bulbs – Dim or flickering bulbs often indicate a poor electrical connection or a faulty bulb.

Ensure that the bulb is securely fitted in its socket and check for any loose or corroded connections. If the problem persists, replace the bulb with a new one.

2. Uneven or Misaligned Beams – If you notice that the beams are uneven or misaligned, it can affect visibility and cause glare for other drivers.

Refer to the previous sections on aligning the headlight assembly to adjust the aim of the beams properly. 3.

Bulb Failure – Bulbs can sometimes fail prematurely due to manufacturing defects or electrical issues. If you experience repeated bulb failure, check for proper voltage output from the electrical system and consider using high-quality, reputable brand bulbs.

4. Moisture or Condensation Inside the Headlight Assembly – Moisture or condensation inside the headlight assembly can be caused by a faulty seal or a cracked lens.

Inspect the assembly for any signs of damage and replace or reseal the unit if necessary. Moisture can lead to bulb malfunction and reduce their lifespan.

5. Color Temperature Variation – If the color temperature of the bulbs starts to vary or one bulb appears significantly different from the other, it may indicate an issue with the quality or compatibility of the bulbs.

Replace both bulbs with a matching set to ensure consistent color temperature. 6.

Corroded or Damaged Socket – Corrosion or damage to the bulb socket can prevent proper electrical contact and lead to bulb failure. Clean or replace the socket if necessary to ensure a secure connection.

If you encounter persistent headlight bulb problems that you are unable to resolve, it’s recommended to consult a professional mechanic or a qualified technician who can diagnose and address the underlying issue. Regular inspections, maintenance, and proactive troubleshooting can help prevent most headlight bulb problems and ensure reliable performance.

13. Safety Precautions While Replacing Headlight Bulbs

Replacing headlight bulbs in your Toyota Corolla requires caution and attention to safety to prevent any injuries or accidents.

Here are some important safety precautions to follow during the replacement process:

1. Wear Protective Gloves – Always wear protective gloves when handling headlight bulbs.

This reduces the risk of injuring your hands and helps prevent oils from your skin from contaminating the bulb. 2.

Let the Bulb Cool Down – If you have recently used your headlights, allow them to cool down before attempting to replace the bulbs. Hot bulbs can be a burn hazard.

3. Disconnect the Battery – Begin the replacement process by disconnecting the negative terminal of your vehicle’s battery.

This will ensure that there is no electric current running through the headlight system, reducing the risk of electric shock. 4.

Use Proper Lighting – Ensure that you work in a well-lit area with proper lighting. Ample visibility will help you perform the task accurately and avoid any mistakes that could lead to accidents.

5. Avoid Touching the Glass – Do not touch the glass portion of the new bulb with your bare hands.

Oils from your skin can create hot spots, resulting in reduced bulb lifespan or premature failure. If you accidentally touch the bulb, clean it with rubbing alcohol before installation.

6. Follow the Manufacturer’s Instructions – Read and follow the instructions provided by the bulb manufacturer and your vehicle’s owner’s manual.

Specific models and bulb types may have particular requirements or instructions that must be followed for safe and proper installation. 7.

Do Not Force Bulb Installation – When installing the new bulb, make sure it fits smoothly into the socket without forcing it. Forcing the bulb may lead to damage or incorrect alignment.

If the bulb does not fit easily, double-check that you have the correct bulb type and contact a professional if necessary. 8.

Handle Fragile Components with Care – Some headlight assemblies may have fragile or sensitive components, such as plastic clips or fasteners. Take extra care when removing or reattaching these parts to avoid breakage or damage.

If a part appears fragile, consider seeking professional assistance. 9.

Secure All Connections – Ensure that all connections, including the wiring harness and any retaining clips, are securely fastened after replacing the bulb. Loose connections can cause flickering or malfunctioning of the headlight.

10. Test the Bulbs – After replacing the headlight bulbs, test them by turning on the headlights to ensure they are functioning correctly.

Verify that both the low beam and high beam functions are operational. Remember, if you are uncertain about any step in the replacement process or feel uncomfortable performing the task, it is best to seek professional assistance to ensure your safety and the proper functioning of your headlights.

14. DIY vs.

Professional Headlight Bulb Replacement

When it comes to replacing headlight bulbs in your Toyota Corolla, you have the option to do it yourself (DIY) or seek professional assistance. Here are some factors to consider when deciding between a DIY approach and professional headlight bulb replacement:

1.

Skill and Experience – DIY: If you have experience working with automotive components or electrical systems, and you are confident in your abilities, you may choose to replace the headlight bulbs yourself. Professional: If you lack experience or knowledge in handling automotive electrical systems, it is safer and more advisable to seek professional assistance.

2. Tools and Equipment – DIY: DIY bulb replacement typically requires basic tools such as gloves, screwdrivers, and clean cloth.

These tools are readily available and affordable. Professional: Professional technicians have specialized tools and equipment designed for efficient and safe headlight bulb replacement.

3. Time and Convenience – DIY: DIY replacement allows you to work at your own pace and eliminates the need for scheduling an appointment or waiting for service.

Professional: Professionals are experienced and can often complete the replacement quickly, minimizing downtime and inconvenience. 4.

Warranty and Guarantee – DIY: DIY bulb replacement typically does not come with any warranty or guarantee. Professional: Many professional service providers offer warranties or guarantees on their work, providing peace of mind if any issues arise.

5. Specialized Knowledge – DIY: While DIY replacement is feasible with proper research and following instructions, professionals have specialized knowledge and training in handling various headlight bulb types and models.

6. Complexity and Safety – DIY: Replacing headlight bulbs can be relatively simple.

However, some vehicles may have more complex designs that require additional steps or precautions. Safety is crucial, and if you are unsure about any aspect of the process, it’s advisable to seek professional help to prevent accidents or damage.

7. Cost – DIY: DIY replacement can be more cost-effective, as you only need to purchase the replacement bulbs.

Professional: Professional replacement services may involve labor costs, but they provide expertise and assurance of proper installation. Consider your level of comfort, knowledge, and the specific circumstances of your headlight bulb replacement needs when deciding between DIY and professional assistance.

If you are uncertain or lack experience, it is generally safer and more advisable to seek professional help to ensure proper bulb replacement and the continued functionality of your headlights. 15.

Frequently Asked Questions on Headlight Bulb Replacement for Toyota Corolla

Headlight bulb replacement is

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