See also:

Child seat security
Child seat security The rear safety belts and the front passenger safety belt can be locked against pulling out for mounting the child restraint fixing systems. Locking the safety belt 1. P ...

Enabling operation in the rear
Only possible via the iDrive in the front. 1. "Settings" 2. "Allow rear control" 3. Select the desired priority. ...

Applying
The lever automatically engages after being pulled up. ...