See also:

Reference
This chapter contains technical data, short commands for the voice activation system, and an index that will quickly take you to the information you need. ...

Signal tones
When approaching an object, an intermittent tone is sounded that indicates the position of the object. For example, if an object is detected to the left rear of the vehicle, a signal tone sounds ...

Owner's Manual for Vehicle
Thank you for choosing a BMW. The more familiar you are with your vehicle, the better control you will have on the road. We therefore strongly suggest: Read this Owner's Manual before starting off ...