Paying attention to your car is important in the present day, in truth, if you do not do the minimum maintenance on it, or if you do not consider signals of abnormality, you strongly risk to find out your motor vehicle becoming unpleasant to use. This is precisely the subject we will be responding to on this page, one of the indicators that most affect car owners is the brake light on Audi S4 . It is also known as the handbrake light because it is the one that is lit when your handbrake is engaged. To try to help you analyze this light, first we will find out what this brake light on Audi S4 corresponds to, then in a second what to do if the wrench light is on Audi S4? .

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Brake light meaning on Audi S4

So we start our content with the interpretation of this brake light on Audi S4 . We will try to explain 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 important security elements, so it is vital to take the necessary measures once the brake light on your Audi S4 comes on.

What does a brake light on Audi S4 mean?

In general, you are used to find out the brake light on Audi S4 when the hand brake of your motor vehicle is engaged, nevertheless you should know that it has another function a little less known, to notify you about the level of brake fluid in your motor vehicle . If you detect that it is switched on when your handbrake is not engaged, it likely means that you are running out of brake fluid in your Audi S4 . Check the level of your brake fluid in your engine block.

What does it mean when the brake light flashes on Audi S4

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In the event that the brake light flashes on Audi S4 , the problems you may encounter are not the same. 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 Audi S4 may have failed, producing 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 fixed. If you also have the ABS warning light on Audi S4, please read our content page dedicated to this issue.

How to switch off the brake light on Audi S4?

To conclude, in this second section, we will try to give you the solutions if the brake light of your Audi S4 is on or blinks .

  • In this first circumstance, as we said in the first section of this content page, often to make the brake fluid level of your Audi S4 will be enough to fix the issue. If your brake light comes on quite quickly after leveling, it is most likely that you have a leak in your brake system . In such a case, verify your level frequently and check out your garage as quickly as possible so that he can identify the location 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 mean that your brake fluid sensor is malfunctioning. You can replace this component it is not very difficult, in any other case go to your garage to have it replaced.
  • If the light is flashing , as we stated, it is on the ABS side that you have to check out. It’s more difficult to do the repair yourself for this issue. Regardless if it is just a sensor in your ABS block, the component is complex and it is best to go to your garage. It can cost you a hundred euros if it is just one sensor, as well as some hundred euros or even 1000 euros if you have to replace the whole block.

Whenever you have any additional questions about the Audi S4, do not hesitate to consult our Audi S4 category.