See also:

Replacing the battery
The remote control for Comfort Access contains a battery that will need to be replaced from time to time. 1. Take the integrated key out of the remote control. 2. Remove the cover. Remove t ...

Route criteria
General information The route calculated can be influenced by selecting certain criteria. The route criteria can be changed when the destination is entered and during destination guidan ...

What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Replace remote control batteries. Radio stations or TV channels are grayed out and c ...