See also:

The concept
The system issues a two-phase warning of a danger of collision at speeds above approx. 10 mph/15 km/h. The collision warning is available even if cruise control has been deactivated. It resp ...

Information on the navigation data
1. "Navigation" 2. Open "Options". 3. "Navigation system version": information on the data version is displayed. ...

After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened. ...