Rear Parking Aid Sensor, Removing And Installing: Removing
-- Audi RS 4: remove the rear bumper cover. Refer to BUMPER COVER, REMOVING AND INSTALLING .
Outer sensors:
-- Remove the bolts -arrows- on the bottom side of the bumper cover.
Vehicles with a rear muffler:
-- Remove the nuts -5- and -7- and remove the retaining element -6-.
-- Remove the pin -arrow- and expanding clip -1-.
-- Remove the nuts -2- and -3- and remove the rear aerodynamic underbody trim panel -4-.
Continuation for all sensors:
-- Reach behind the bumper cover from below.
Inner sensor - Sedan:
-- Remove the rear bumper cover. Refer to BUMPER COVER, REMOVING AND INSTALLING .
Continuation for all sensors:
-- Press both retainer tabs to side -arrows- and press sensor -2- from outside towards inside.
-- Disconnect the connector -1- from the sensor.