Rear Light Failure Warning Light: What It Means and What to Do?

Rear lights are essential for several reasons. They let other drivers know when you’re braking, and they also let them know when you’re about to turn. This is especially important at night when it’s harder for other drivers to see you.

The warning light for rear light failure means that one or more of your rear lights aren’t working. 

If the light is on, you should get your car checked out as soon as possible. There’s a good chance that one or more of your rear lights is broken, and you need to fix it before you get in an accident.

If the light is off, there’s no need to panic. It means that your car is functioning normally and doesn’t have any problems with the rear lights. However, it would be best if you still got your car checked out eventually to ensure everything is working correctly.

Table of Contents

• What does rear light failure warning light mean?
• What can be the cause of a rear light not working?
• How to fix rear light failure warning lights?
  • Why does my brake light work but not my tail light?
  • What do I do if my tail light is out?
  • What is a glow plug warning light?
  • How do you tell if a tail light bulb is burnt out?

What does rear light failure warning light mean?

The rear light failure warning light is a warning indicator on the dashboard that indicates a problem with the rear lights.

This could be anything from a blown bulb to a wiring issue. If this light comes on, it’s essential to have the problem checked out by a mechanic as soon as possible. Failing to address a rear light failure can decrease visibility while driving and can also lead to being pulled over by the police.

What can be the cause of a rear light not working?

There are a few potential causes of rear light failure. 

One possibility is that the wrong type of light bulb has been installed. Another possibility is a blown fuse, bad wiring, corroded sockets, or plugs. Finally, the rear light switch may be faulty. 

If you suspect any of these issues, it’s best to take your car to a certified mechanic for diagnosis and repair. Rear light failure can be dangerous as it reduces your visibility to other drivers and can result in warning lights on your dash. 

How to fix rear light failure warning lights?

If your car’s rear light failure warning light is on, one or more of the tail light bulbs are burned out. To fix this, replace the burned-out bulbs with new ones. 

If the light is still on after replacing the bulbs, check the fuse and replace it if necessary. Finally, if there is still an issue, it could be due to a wiring problem. You may need to consult a professional to fix this issue.

Why does my brake light work but not my tail light?

When you hit the brakes in your car, the brake light switch sends a signal to the brake lights to turn on. However, the tail lights are powered by a separate fuse with only power when the headlight switch is turned on. 

So if your brake light is working, but your tail light is not, it’s likely that the headlight switch is still turned off. 

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What do I do if my tail light is out?

One of your vehicle’s most critical safety features is the tail light. Not only does it help other drivers to see your car at night or in bad weather, but it also helps to indicate your braking and turn signals. 

As a result, it is essential to know what to do if one of your tail lights goes out. Depending on the severity of the problem, there are a few different options. First, you can try to replace the bulb yourself.

This is generally a relatively straightforward process, and you can find instructions in your car’s owner’s manual. However, if the problem is more serious, such as broken tail light housing, you will need to take your car to a mechanic or body shop.

What is a glow plug warning light?

A glow plug warning light indicates when the engine’s glow plugs are still warming up. Your engine should not be started until this light goes out. 

Glow plugs are used in diesel-powered vehicles to preheat the air in the combustion chamber so that fuel can ignite more easily. This helps to reduce emissions and improve fuel economy. 

When the glow plug warning light comes on, the glow plugs are not yet at their operating temperature. Starting the engine without fully heated glow plugs can damage the plugs and cause the engine to run poorly. If your vehicle has a ‘glow plug warning light,’ be sure to wait until it goes out before starting the engine.

How do you tell if a tail light bulb is burnt out?

There are a few ways to tell if a tail light bulb is burnt out. 

One is to look at the tail light. If the bulb is lit, it will be glowing red. If it is burnt out, the area around the filament will be blackened. Another way to tell if a tail light bulb is burnt out is to listen for a clicking noise when you turn on the taillight

s. The clicking noise is caused by the electrical current passing through the filament. If the filament is broken, the current will not be able to flow through, and you will hear a clicking noise. Finally, you can test the tail light bulb with a multimeter.