See also:

Condensation under the parked vehicle
When using the automatic climate control, condensation water develops that exits underneath the vehicle. Therefore, traces of condensed water under the vehicle are normal. ...

Switching on automatically
Select transmission position R with the engine running. The backup camera image is displayed if the system was switched on via the iDrive. ...

Switching off the engine
Always take the remote control with you when you leave the vehicle. When parking, apply the parking brake forcefully; otherwise, the vehicle could begin to roll. Manual transmission1.  Wit ...