See also:

Functional readiness of the airbag system
When the ignition is switch on, the warning lamp in the instrument cluster lights up briefly and thereby indicates the operational readiness of the entire airbag system and the belt tension ...

Releasing
With the ignition switched on: Manual transmission: Press the switch while the brake or clutch is pressed. Automatic transmission: Press the switch while the brake is pressed or transmission ...

Personal Profile settings
The following functions and settings can be stored in a profile. More information on the settings can be found under: Active Cruise Control: collision warning. Exterior mirror position. C ...