See also:

Functional readiness of the airbagsystem
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 tensioner. ...

Functional requirements
The system must have been reset when the inflation pressure was correct; otherwise, reliable signaling of a flat tire is not ensured. Always use wheels with TPM electronics to ensure that the ...

Menu navigation
You can use the thumbwheel and buttons 1 to navigate through the menus. ▷ Turn the thumbwheel: select a menu item. ▷ Press the arrow buttons: change between fields. ▷ Press th ...