See also:

The spray nozzles are misaligned
The windshield washer fluid from the spray nozzles no longer hits the center of the windshield. The spray nozzles are misaligned. Have the spray nozzles adjusted at a qualified specialist wo ...

Resetting
Reset the sliding sunroof if it does not move smoothly. •► Turn the SmartKey to position 2 in the ignition lock. •► Raise the sliding sunroof fully at the rear. •► Keep the s ...

Seating & Cargo
The GL550's front seats have a litany of power adjustments, including adjustable stiffness for the side bolsters. Even with the bolsters and lumbar support dialed all the way back, the seats are t ...