Notes on the oil level
Depending on the driving style, the vehicle consumes up to 0.9 US qts. (0.8 l) of oil over a distance of 600 miles (1000 km). The oil consumption may be higher than this when the vehicle is new or if you frequently drive at high engine speeds.
See also:
Problems with the SmartKey
Problem
Possible causes/consequences and
Solutions
You cannot lock or unlock the vehicle using
the SmartKey.
The SmartKey battery is discharged or nearly discharged.
...
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 ...
Adjusting the rear seat head restraint angle
Adjust the head restraints so that they are as close as possible to your head.
You can only adjust the two outer head restraints.
X Pull or push the top of the head restraint until it is in the de ...