Some vehicles do, some don't.
The brake pad wear sensor is on the brake pads. On my 318ti, the sensor is on the left side, on the inboard pad.
Replace brake pads Thank you Captain Obvious. Can we get a real answer now? I replaced my brake pads and sensor is still lit. Trying to avoid disconnecting my battery.
If you are talking about the brake pad wear sensor also known as "squealer", most replacement brake pads come with the "squealer" attached. So it would depend if the mechanic installed pads with the sensor or not.
When the whare sensor starts to squeek
The brake pads are getting thin. That sensor is for the brake pads.
By replacing the front pads . they will reset automatically when the sensor sees the pads are ok.
Brake pads are part of the cars disk brakes. There are four different brake pads they are semi-metallic brake pads, organic brake pads, low-metallic NAO brake pads and ceramic brake pads.
Brake pad wear sensor. Could be low brake pads or a sensor that is missing or disconnected.
your brake pads are worn or there is trouble with the sensor for them.
you have to by a replacement sensor for your front and rear pads.
Assuming that the brake pads were just changed and the sensor is still on, Perhaps the sensor wire was broken during installation causing the sensor to stay on. Happened on my 2001 a4.
You need to check your brake pads or the sensor wire on your brake pads could have snapped