During vehicle start-up, after the ignition system is turned on and before the engine starts, all of the warning lights on the dash, including the brake warning light, are illuminated and after a few seconds, they should all go out.
This is designed to verify that all of the warning lights are operating properly—if any do not illuminate at this point, it means that the bulb or other light source is inoperative and the warning light is not working properly.
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About Us. Contact Us. However, the Parking Brake light is actually a multifunctional indicator. It turns on when you pull the parking brake handle to warn you that the brake is engaged when starting the car. When you pull the handle, a cable engages the brake, which is located in the rear of the vehicle.
There is also a switch that is responsible for sensing the brake being engaged, and then turning on the light in your dash. However, it is also designed to illuminate in several other situations, several of which have little to no connection with the parking brake itself.
Moreover, a Parking Brake light that will not go out can indicate many different things, including the parking brake not disengaging, a failed parking brake switch, or even low fluid in the master cylinder reservoir. It is important for your safety to have the issue diagnosed and promptly fixed.
How this system works: Your parking brake system is a supplemental safety system designed to help secure your car when parking on an incline. Common reasons for this to happen: Faulty Switch: One common reason for the Parking Brake light to stay on is a failing or failed switch. This can be checked easily by moving the handle to and fro after it is down. Low brake fluid can also be a sign of worn brake pads. As the material wears from the friction, the brake fluid forces the pistons out against the pads into the brake disc, to help create enough stopping power.
As a result, this causes the brake fluid to fill the gap, reducing the fluid in the reservoir. Replacing the brake pads may resolve the issue. A technician will need to inspect the brake fluid reservoir, brake lines, connections, valves, brake mechanisms, and rubber hoses. If you identify a clear or orange-tinged fluid leaking onto the ground, the vehicle should be inspected immediately.
Many vehicles are equipped with a sensor that alerts drivers when their brake pads are worn, by activating the brake light or by producing a screeching sound. Over time, the friction material wears out resulting in metal to metal contact with the rotors, which can permanently damage brake components and result in costly repairs.
Troubles within the ABS system can cause the brake light to come on. Most vehicles have many bulbs in the brake lights. The sensors that measure brake fluid levels and determine if the parking brake is engaged, can fail, producing false errors and illuminating the brake light. A technician specializing in brake systems should inspect the vehicle to determine which sensor has failed and replace it properly.
Brakes are one of the most important safety features on your vehicle. Our experienced technicians will perform a brake inspection that includes a measure of the thickness of the rotors and drums and the brake pads and shoes, as well as a check for leaks in the hydraulic system, absolutely free! Our Technicians are ASE Certified and possess the experience to repair and maintain all areas of your vehicle, especially brakes. Stop into a Sun Devil Auto today and see for yourself!
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