Uniform Tire Quality Grading Standards
A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S.
government testing procedures. The ratings are molded into the sidewall of the tire.
See also:
Removing a wheel
► Unscrew the uppermost wheel bolt
completely.
► Screw alignment bolt 1 into the thread
instead of the wheel bolt.
► Unscrew the remaining wheel bolts fully.
Do not place wh ...
Maintenance
The Service and Warranty Booklet describes
all the necessary maintenance work which
should be done at regular intervals.
Always have the Service and Warranty
Booklet with you when you bring the ...
Cleaning the trailer tow hitch
The ball coupling must be cleaned if it
becomes dirty or corroded.
– Remove rust on the ball of the ball coupling,
e.g. with a wire brush.
– Remove dirt with a clean, lint-free cloth or
a brus ...
