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What is the Brake Pad Wear Indicator Light?

2 Answers

VonMatteo

07/29/25 4:56am

The brake pad wear indicator light, commonly known as the brake warning light, is a symbol featuring a circle with a parenthesis inside. This indicator is used to display the wear condition of the vehicle's brake pads. The following are maintenance methods for brake pads: 1. Under normal driving conditions, inspect the brake pads every 5,000 kilometers: Not only should the remaining thickness be checked, but also the wear state of the pads, whether the wear on both sides is even, and whether the pads retract smoothly. Any abnormal conditions must be addressed immediately. 2. Brake pads generally consist of two parts: an iron backing plate and friction material. Do not wait until the friction material is completely worn out before replacing the pads. Some vehicles are equipped with a brake pad warning system; once the wear limit is reached, the dashboard will alert the driver to replace the pads. Pads that have reached their usage limit must be replaced, as continuing to use them, even for a short time, can reduce braking effectiveness and compromise driving safety. 3. When replacing, use the original manufacturer-provided brake pads: This ensures optimal braking performance between the pads and discs, with minimal wear. 4. When replacing pads, always use specialized tools to retract the brake caliper pistons: Avoid using other pry bars to force them back, as this can bend the caliper guide screws and cause the brake pads to seize.

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JayceAnn

08/12/25 8:35am

A couple of days ago while I was driving, a small warning light suddenly illuminated on the dashboard showing a disc with a slash icon, and I immediately recognized it as the brake pad wear indicator. This light is a thoughtful warning system designed by automakers - when the friction material of the brake pads wears down to its limit, the sensor detects insufficient thickness and automatically triggers the warning light. That time I rushed to the repair shop for inspection. After removing the wheels, we saw the brake pads were nearly worn through. Fortunately, I replaced them in time, otherwise emergency braking could have caused an accident. Experienced drivers say this indicator light exists to protect our safety. Delaying repairs will increase braking distance, making it especially dangerous in rainy conditions. We should develop the habit of regularly checking the dashboard. When warning lights appear, don't push your luck - go to professional maintenance immediately. Don't compromise safety to save money, because safe driving should always come first.

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