See also:

End of warning
The warning ends: Automatically after approx. 3 seconds. When returning to your own lane. When braking hard. When using the turn signal. ...

Note
Children in the vehicle Do not leave children unattended in the vehicle; otherwise, they could endanger themselves and other persons, e.g., by opening the doors.◀ ...

Configuring the prewarning
After the warning function is switched on, the following can be set via the iDrive: ▷ The prewarning can be switched on/off. ▷ The time of the prewarning can be set. These settings ha ...