The vehicles brake pad wear sensors alert the driver when a brake job is coming due. Replace these everytime you service the brake pads even if your light has not illuminated yet.
Brake pad wear sensors serve as a warning device for your brake pads. Once pad and sensor wear has reached its limit, a brake pad warning light is triggered to notify you that it is time to service your brake system. Brake pad sensors should be replaced anytime you are replacing your pads and rotors.
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