Additives

Do not use any additives in the engine oil.
This could damage the engine.

    See also:

    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 ...

    Problems with the rear window defroster
    The rear window defroster has deactivated itself prematurely or cannot be activated. Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the batter ...

    Volume and sound settings
    You will find details on volume and sound settings in the "At a glance" section. WARNING External video sources may have different volumes, which can mean that system messages su ...