Windows and optional moonroof

The ECC system will function best if the windows and optional moonroof are closed. If you drive with the moonroof open, we recommend that you manually adjust the temperature and blower control (the LED in the AUTO switch should be off).
See also:
Switching HD on or off
The factory setting for HD radio is off. However, when driving through areas
with weak HD signals (fringe areas), you may experience that the radio repeatedly
switches between analogue/ digital an ...
Cleaning the brake discs
Coatings of dirt and water on the brake discs may result in delayed brake function.
This delay is minimized by cleaning the brake linings.
Cleaning the brake pads is advisable in wet weather, prior ...
Sound settings
Call volume
Call volume can be adjusted while a call is in
progress using the buttons in the steering
wheel keypad.
Audio system volume
When PHONE is displayed, volume for the audio system can be ...
