Activating HDC

Press the button; the LED above

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

    See also:

    Avoiding unintentional alarms
    The tilt alarm sensor and interior motion sensor can be switched off together, such as in the following situations: ► In automatic car washes. ► In duplex garages. ► During tran ...

    Emissions
    ▷ The warning lamp lights up: Emissions are deteriorating. Have the vehicle checked as soon as possible. ▷ The warning lamp flashes under certain circumstances: This indicates that ...

    Exterior
    The exterior remains the same for 2009, and the X3 retains its awkward angles, disjointed taillights and odd lower bodywork. It's not unattractive, but it sure isn't as stylish as Mercedes' new GL ...