See also:

Connecting an external device
Do not leave external devices in the vehicle as extreme temperatures (e.g. direct sunlight or extremely low outside temperatures) could cause them to malfunction (see the operating instructions ...

Problems with the seat heating
The seat heating has switched itself off prematurely. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. Switch off electrical consumers ...

Cruise control lever
1 To store the current speed or a higher speed 2 To store the current speed or a lower speed 3 To deactivate DISTRONIC 4 To store the current speed or to call up the last stored speed ...