Ignition on

All electrical consumers can operate. The odometer and trip odometer are displayed in the instrument cluster.

To save battery power when the engine is off, switch off the ignition and any unnecessary electronic systems/power consumers.

    See also:

    Safety
    Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...

    Notes
    At high temperatures, the charge function of the mobile phone can be limited where appropriate and the functions are no longer executed. When the mobile phone is used via the vehicle, ...

    Steering wheel heating
    Steering wheel heating Switching on/off Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. ...