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 ...

Enabling operation in the rear
Only possible via the iDrive in the front. 1. "Settings" 2. "Allow rear control" 3. Select the desired priority. ...

Resuming the original route
If the route section should no longer be bypassed: 1. "Navigation" 2. "Route information" 3. "New route for:" 4. "Remove blocking" ...