See also:

For the 530i, 535i, 550i, 525d, 530d and 535d: check oil level
The concept The oil level is monitored electronically and displayed on the Control Display. Requirements ▷ The engine must be running and warm after the vehicle has been driven for at lea ...

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. ...

Environmental conditions
▷ Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed. ▷ Always say commands in the language of the system. The language for the mobile pho ...