Rain/Light Recognition Sensor -G397-, REMOVING AND INSTALLING, FROM MY 2010: Removing
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
-- Turn off the ignition.
-- Vehicles with ignition lock: Remove the key.
-- Remove the interior rearview mirror. Refer to INTERIOR REARVIEW MIRROR .
-- Disconnect the connector -3-.
-- Insert a narrow screwdriver -5- into the opening as shown and release the retaining tabs -2- -arrows-.
-- Wait one minute so that the silicon pad can release without leaving any residue.
-- Loosen the Rain/Light Recognition Sensor -G397- -item 4- by moving it back and forth and remove it from the mount -1-.
CAUTION:
Risk of damage to the humidity sensor.
- The humidity sensor -arrow- on the rain/light recognition sensor -1- is extremely sensitive and must not be damaged.
- A damaged humidity sensor must be replaced.