See also:

Switching off automatically
The system switches off and the LED goes out: After approx. 160 ft/50 m when driving forward. Above approx. 22 mph/36 km/h when driving forward. Switch on the system again if necessary. ...

Requirements
▷ Subscription to the optional Convenience Plan. ▷ The date setting on the Control Display is current. ▷ The vehicle is located within wireless network coverage. ...

Text messages
Text messages at the upper edge of the Control Display explain the meaning of the displayed indicator and warning lamps. ...