See also:

Issuing a warning
If the vehicle begins leaving the lane and a lane marking has been detected, the steering wheel begins vibrating. If the turn signal is set before the lane is changed, a warning is not issued. ...

Switching on automatically
Select transmission position R with the engine running. ...

Exterior
BMW says the front-end modifications for 2006 have been "executed with the utmost reserve and subtlety." In addition to the restyled hood, the 7 Series sedans have reshaped rocker panels ...