Rain/Light Recognition Sensor -G397-, REPLACING, THROUGH MY 2009: 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.
-- If replacing the control module, select the "Replace Control Module" function using the Vehicle Diagnostic Tester.
-- Remove the interior rearview mirror. Refer to INTERIOR REARVIEW MIRROR .
-- Disconnect the connector.
-- Release the retaining tab -arrows- with a small screwdriver.
-- Remove the retaining clip -2- from the mounting plate -1-.
-- Wait one minute so that the silicon pad can release without leaving any residue.
-- Loosen the Rain/Light Recognition Sensor -G397- -item 3- by moving it back and forth and remove it from the mount.
-- Remove the silicon pad from the windshield, leaving no residue.
-- Clean the adhesive surface on the windshield with Cleaning SolutionD 009 401 04.
- Any silicone residue must be completely removed.