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What Is the Brake Pad Wear Indicator Warning Light Indicating?

When the brake pads are detected to be too thin, the brake pad wear indicator warning light illuminates.

Many people were not a fan of the squealing sound that came when the pads needed replacement, that is why Electronic brake wear sensors were introduced. They can indicate to the user about the worn-out pads long before they become an issue.

The brake wear indicator light is a relatively new addition to today's cars. This indicator light, which is mostly found on majority of vehicles, will alert you when it's time to have your brakes checked. The light will illuminate before the brakes are completely worn out, allowing you to replace them before any damage occurs.

Check your owner's manual to see how many miles you should have left on your brake pads after the light comes on.

What is a brake pad wear sensor?

Car brake wear indicators are an additional safety measure. They are used to tell the driver that the brake pads need replacement. They can let the driver know when the pad’s life is too low.

How do brake wear sensors work?

The sensor has a loop of wire with a low current. When the pads wear out, the wire makes contact with the rotor and completes a circuit. This illuminates the light on the dashboard that implies that the pads need a replacement.

How often can a brake pad sensor be used?

Brake pads wear sensors are one-time use. Once they complete a circuit they need to be replaced. They cannot be reused after the indication.

When do you have to replace a brake pad sensor?

It is advised to replace a brake pad sensor every time you take your vehicle for a brake pad replacement. They can either be replaced when the indication brake light goes off or with the brake pads replacement.  

Where is a brake pad sensor located?

The sensors are located on all four brake pads and routed through the calipers. They are mounted on the front and the rear wheel brake pads. When any of the pads wear out, the sensor indicates replacement.

What does the brake pad wear indicator warning light indicate?

Simply put, when this light illuminate, the brake sensor has determined that the brake pads are too thin. There are two primary methods by which automakers achieve this diagnosis. The first method involves embedding a small sensor into the brake pad material itself. As the pad deteriorates, the sensor will eventually come into contact with the rotor, completing the circuit and turning on this indicator light. The second method uses a position sensor to determine how far the pads must move before the brakes are applied.

What to do if the brake pad wear indicator light illuminates?

If the light illuminates, take the vehicle to a certified technician to have the brakes replaced. With the new pads installed, the light will most likely turn off. Any problems with the sensors, on the other hand, will cause the light to turn on.

Can I drive with the brake pad wear indicator light illuminated?

Driving with this light on for a short period of time is safe. As previously stated, the light will illuminate when there is still some brake pad material remaining; however, if you wait too long and continue driving, you will run out of material and damage the rotors. Without any pad material, the brakes will not stop the car as quickly, so waiting too long is risky and increases the chances of getting into an accident.

Brake pad sensor free collection and delivery?

Most car services and repairs are not done regularly because the owners are too busy to take their car to the car repair center. We have found the solution for this as well. We provide a free collection and delivery service for all our esteemed customers. If you want any repairs are done or installment of any brake accessories, you can book car service in reading online through our website and benefit from our collection service. We will collect your car from a place of your choice and deliver it back to you after it has been serviced.