See also:

The concept
The vehicle alarm system responds to: Opening of a door, the hood or the trunk lid. Movements in the vehicle: interior motion sensor. Changes in the vehicle tilt, e.g., during attempts t ...

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

Operational readiness of airbag system
Operational readiness of airbag system In the radio ready state and beyond the warning lamp comes on briefly to indicate that the entire airbag system and the belt tensioners are operational. ...