See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Starting destination guidance
1.  "Navigation" 2.  Entering a destination. 3.  "Accept destination" 4.  "Start guidance" The route is displayed on the Control Display after it ...

Interior
The 128i's interior design is fairly traditional, with more upright shapes than sweeping contours. Dual-zone climate controls sit below the center air vents and optional navigation system, with BM ...