Brake Pad Wear Sensor, Removing And Installing: Notes
WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Only applies to brakes 1LC/1LD/1LE/1LF/1LH.
The brake pad wear indicator sensors are installed at left front and right rear.
Remove the brake caliper before removal.