See also:

Functional readiness of the airbag system
When the ignition is switch on, the warning lamp in the instrument cluster lights up briefly and thereby indicates the operational readiness of the entire airbag system and the belt tension ...

Functional requirements
► There are no external sources of interference nearby. ► To lock the vehicle, the remote control must be located outside of the vehicle. ► The next unlocking and locking cycle i ...

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...