See also:

Interior motion sensor
The windows and glass sunroof must be closed for the system to function properly. ...

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

Declaration according to NHTSA/FMVSS 138 Tire Pressure Monitoring Systems
Each tire, including the spare (if provided) should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire i ...