Mercedes-Benz GL-Class: Power washers
WARNING 
Do not use power washers with circular-jet
nozzles (dirt grinders) to clean your vehicle, in
particular the tires. You could otherwise
damage the tires and cause an accident.
Always maintain a distance of at least
11.8 in (30 cm) between the vehicle and the
power washer nozzle. Information about
the correct distance is available from the
equipment manufacturer.
Move the power washer nozzle around when cleaning your vehicle.
Do not aim directly at any of the following:
• tires
• door gaps, roof gaps, joints etc.
• electrical components
• battery
• connectors
• lights
• seals
• trim elements
• ventilation slots
Damaged seals or electrical components can lead to leaks or failures.
Washing by hand
Carefully remove all deposits of road salt as
soon as possible when driving in winter.
Also, clean the insides of the wheels when
washing the underbody of the vehicle.
► Do not use hot wat ...
Cleaning the wheels
Do not use acidic wheel cleaning products
to remove brake dust. This could damage
wheel bolts and brake components.
Do not park the vehicle for an extended
period straight after cleaning it, ...
See also:
Turning the System On and Off
Press this button, located next to the radio, to disable URPA.
The indicator light will come on and PARK ASSIST OFF displays on the Driver Information
Center (DIC). See Object Detection System Mes ...
Door Locks
To lock or unlock a door manually:
► From the inside, use the door lock knob on the window sill.
► From the outside, turn the key toward the front or rear of the vehicle, or press
the ...
Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech-impaired and who
use Text Telephones (TTYs), Buick has TTY equipment available at its Customer Assistance
Center. Any TTY user can comm ...
