Symptoms of a Bad or Failing Courtesy Light Bulb

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The courtesy light, also commonly known as the dome light, is the light mounted on the interior of the vehicle, usually near the rearview mirror. The courtesy light uses a bulb that turns on when the vehicle door is opened to provide illumination for the passengers. Some dome lights are wired with a timer that turns them off automatically after a specified amount of time, while others will turn off when the doors are closed. The light provided by the dome light helps the passengers find their belongings and watch their step when entering and exiting the vehicle.

While light provided by the courtesy light bulb is not one critical to the operation of the vehicle, when there is a problem, the interior of the vehicle can be left without light, and can cause inconvenience to yourself or your passengers, especially in low light conditions such as night time or in parking structures. Usually when the courtesy light bulb has an issue, it will produce a few symptoms that can alert the driver of a potential issue that should be serviced.

1. Dome light is dim

One of the first symptoms commonly associated with a bad or failing dome light bulb is a dim dome light. If the dome light bulb becomes worn out it may not be able to shine as brightly as it once did. Usually a dim bulb will continue to get dimmer until it eventually burns out.

2. Flickering light

Another symptom of a possible problem with the courtesy light bulb is flickering. If the light bulb is rapidly flicking that may be a sign that the filament has worn out or become damaged. This is usually also a sign that the courtesy light is near the end of it’s service life.

2. No interior light

Probably the most noticeable symptom of an issue with the courtesy light bulb is a dome or courtesy light that does not function. If the bulb burns out the courtesy light will be unable to provide light, and will have to be replaced in order to restore illumination to the interior of the vehicle.

While the dome light bulb is not one critical to the safety of the vehicle, the illumination it provides does make the driving experience more comfortable and convenient for the passengers. For this reason, if you suspect your courtesy light bulb may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic. They will be able to replace your courtesy light bulb if necessary.


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Recent Courtesy Light Bulb Replacement reviews

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YourMechanic Courtesy Light Bulb Replacement Service

Average Rating

4.9/5

Number of Reviews

122,245

Rating Summary
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114,000
4,634
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2,053

Chris

24 years of experience
126 reviews
Chris
24 years of experience
Chevrolet K1500 - Clutch pedal goes all the way to the floor - Sacramento, California
Chris is a professional, well trained, and punctual technician. He will do his best to explain questions you have but we all no some people just don't get mechanical work and you can't explain anything to them. He will make suggestions if he sees something that was not on your report for the sake of you having a safe vehicle because I feel he genuinely cares about people and the safety of others on the road. Example being my clutch is out and Chris inspected that but also notified me the wear tabs on my front brakes were something to be considered for inspection and that I should look at doing that fairly soon as to prevent higher cost in repairs at a later date. Thank you Chris
Kia Rondo - Check Engine Light is on - Rocklin, California
Wow. Not only was Chris' service more prompt and convenient than a dealer mechanic, his service was as good if not better. He REALLY (I wish I had larger caps) knew his stuff. I would recommend him to anybody, to the point he is now my "go to guy."

Thomas

9 years of experience
38 reviews
Thomas
9 years of experience
Lincoln MKX - Door Mirror Replacement (Passenger Side) - Coatesville, Pennsylvania
This was a perfect transaction and service. Thomas arrived on time and knew exactly what to do. He was quick and answered all of my questions. I would recommend {your Mechanic} and Thomas to anyone. The convience of having someone come to your home is great. I will surely use this service and Thomas in the future. Thank you very much, Jeffrey
Kia Sedona - Starter - West Chester, Pennsylvania
Very satisfied! Thomas was great! Will request him in the future.

Chris

14 years of experience
414 reviews
Chris
14 years of experience
Subaru Outback - Courtesy Light Bulb - Burlingame, California
Very knowledgeable and professional. Had a few suggestions for my vehicle in the future but was not pushy. Will use again.

Juan

8 years of experience
175 reviews
Juan
8 years of experience
Lincoln LS - Courtesy Light Bulb - La Palma, California
He's was very nice. Knew what he was doing and was very helpful

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