Rain/Light Recognition Sensor, with Lane Assist, Removing and Installing

Removing 

Fig 1: Prying Top Cover From Interior Rearview Mirror Base

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• If the rain/light recognition sensor G397 was replaced, select the "Replace" function for the respective control module in "Guided Fault Finding" or "Guided Functions".
• Pry the top cover - 1  - from the interior rearview mirror base - arrows  -.

Fig 2: Releasing Retaining Clips And Removing Rain/Light Recognition Sensor G397

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Release retaining clips - arrows  - using small screwdriver and remove Rain/Light Recognition Sensor G397 - 1  -.
• Disconnect electrical connector - 2  -.

Installing 

Fig 3: Pressing Grip Surfaces On Protective Cap And Removing From Rain/Light Recognition Sensor G397

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Install in reverse order of removal, observing the following:

• Clean the rest of the sensor film off the windshield.
• Clean the contact surface on the windshield with cleaning solution D 009 401 04  .
• Press the grip surfaces - arrows  - on the protective cap - 2  - together and remove it from the rain/light recognition sensor G397 - 1  -.

Fig 4: Spraying Entire Surface Of Sensor Foil With Cleaning Solution D 009 401 04 And Inserting Sensor In Mirror Base

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Spray the entire surface of the sensor film - 1  - with cleaning solution D 009 401 04  .
• Insert the rain/light recognition sensor G397 in the retaining plate and press it onto the windshield without forming bubbles.

• Secure the rain/light recognition sensor G397 to the retaining plate with the retaining spring.
• Code the new rain/light recognition sensor G397.
• Select the function or path:

• Follow further instructions on display of VAS 5051B.