Paying attention to your vehicle is fundamental nowadays, in actual fact, if you do not do the minimum routine service on it, or if you do not take into consideration signals of abnormality, you firmly risk to find out your car withering away. This is precisely the subject we will be addressing today, one of the signs that most affect car owners is the brake light on GMC Sierra . It is as well known as the handbrake light because it is the one that is lit when your handbrake is engaged. To try to help you review this light, first we will find out what this brake light on GMC Sierra corresponds to, then in a second how to handle it if the wrench light is on GMC Sierra? .

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Brake light meaning on GMC Sierra

So we start our content page with the explanation of this brake light on GMC Sierra . We will try to show you the different good reasons that can push the brake light to light up in a first time, and, in a second time, what can push it to blink. Your brake system is one of the most essential security elements, so it is vital to take the necessary measures when the brake light on your GMC Sierra comes on.

What does a brake light on GMC Sierra mean?

Generally, you are used to find out the brake light on GMC Sierra when the hand brake of your motor vehicle is engaged, however you should know that it has another action a little less known, to inform you about the level of brake fluid in your car . If you notice that it is switched on when your handbrake is not engaged, it likely means that you are running out of brake fluid in your GMC Sierra . Verify the level of your brake fluid in your engine block.

What does it indicate when the brake light blinks on GMC Sierra

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In the event the brake light flashes on GMC Sierra , the problems you may encounter are not similar. When the handbrake light flashes, the deficiencies you may experience are related to ABS and not to your brake fluid. One of the ABS sensors in your GMC Sierra may have failed, causing the brake light on your car’s dashboard to flash. If this happens, your ABS system will not work and you may experience wheel lockup when braking, so be mindful until the problem is solved. If you as well have the ABS warning light on GMC Sierra, please go through our content page dedicated to this problem.

How to switch off the brake light on GMC Sierra?

To conclude, in this second part, we will try to give you the solutions if the brake light of your GMC Sierra is on or blinks .

  • In this first case, as we said in the first part of this content page, often to produce the brake fluid level of your GMC Sierra will be good enough to resolve the problem. If your brake light comes on actually quite quickly after leveling, it is most probably that you have a leak in your brake system . In this case, check your level on a regular basis and check out your garage as soon as possible so that he can determine the area of the leak and fix the leaking hose. However, if the level of your brake fluid is good and your warning light is still on (even though your handbrake is not engaged), it may indicate that your brake fluid sensor is defective. You can change this part it is not very complicated, otherwise go to your garage to have it changed.
  • If the light is flashing , as we said, it is on the ABS side that you have to check out. It’s more complicated to do the repair yourself for this problem. Regardless if it is only a sensor in your ABS block, the element is difficult and it is best to go to your garage. It can cost you a hundred euros if it is only one sensor, as well as several hundred euros or even 1000 euros if you have to change the whole block.

If perhaps you have any additional questions about the GMC Sierra, do not hesitate to consult our GMC Sierra category.