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. ...

Programming
LED, arrow 1. Memory buttons, arrow 2. Fixed-code hand-held transmitters 1. Switch on the ignition. 2. Initial setup: Press both outer buttons 1 and 3 for approx. 20 seconds until the L ...

Notes
> Reception may not be available in some situations, such as under certain environmental or topographic conditions. The satellite radio cannot influence this. > The signal may not be availabl ...