See also:

Initialization after a power failure
After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...

The concept
The system issues a two-phase warning of a danger of collision at speeds above approx. 10 mph/15 km/h. The time of these warnings may vary depending on the current driving situation. The collisi ...

Tow-starting
Note Do not tow-start your vehicle. Due to the automatic transmission, the engine cannot be started by tow-starting. Have the cause of the starting difficulties remedied. ...