Restoring the factory settings

•► Press the buttons and simultaneously for approximately six buttons simultaneously for approximately six seconds until the battery check lamp flashes twice.

    See also:

    Socket in the cargo compartment
    The socket is not suitable for operating the tire inflation compressor. ►  Lift up the cover of socket 1. ...

    Trailer towing
    PARKTRONIC is deactivated for the rear area when you establish an electrical connection between your vehicle and a trailer. Fold in the ball coupling if the trailer tow hitch is not requir ...

    Ride & Handling
    The GL has a unibody frame — rare among full-size SUVs — and its four-wheel-independent air suspension swaps traditional coil springs for inflatable air bladders. Ride height can be varied to enha ...