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 tensione ...

The concept
The Check Control system monitors functions in the vehicle and notifies you of malfunctions in the monitored systems. A Check Control message is displayed as a combination of indicator or warnin ...

Switching on/off manually
Switching on/off manually Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. If PDC is displayed, switch on the backup camera via the iDrive ...