See also:

Buttons at a glance
1. System on/off, interrupt 2. Resume speed 3. Store speed 4. Reduce distance 5. Store, maintain/change speed 6. Increase distance ...

Deactivating HDC
Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Under the Hood
Both engines incorporate direct fuel injection and turbocharging. The xDrive35i uses a new 3.0-liter inline-six-cylinder with one turbocharger, while the xDrive50i uses a 4.4-liter V-8 with two. P ...