Important information
WARNING
When the climate control system is
deactivated, the outside air supply and
circulation are also deactivated. Only choose
this setting for a short time. Otherwise the
windows could fog up, impairing visibility and
endangering you and others.
Switch on climate control
primarily using
the 
button
See also:
Front fog lamps
Only vehicles with front fog lamps have the
fog lamps function.
WARNING
If you suspect that driving conditions will be
foggy, turn the light switch to
before you
start your journey. O ...
Premium-grade unleaded gasoline
To ensure the longevity and full
performance of the engine, only premiumgrade
unleaded gasoline must be used.
If no premium-grade unleaded gasoline is
available and regular unleaded gasoline
mu ...
Cabin Quality
If the cockpit in a Cadillac Escalade or Infiniti QX56 feels like a roomy
lounge, the GL550's cabin is eminently more carlike. Don't expect massive
armrests and a tall dashboard — rather, the wrap ...