See also:

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

Switching the reception on/off
1. "Navigation" 2. Open "Options". 3. "Receive Traffic Info" ...

High-strength body structure with extremely stiff passenger cell
The body of the new BMW 3-Series Sedan meets the highest standards across the board. Large and extremely durable supporting structures and the intelligent use of high and ultra-high-tensile multi- ...