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:
Tires
Problem
Possible causes/consequences and
Solutions
USA
only:
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) is lit.
Canada onl ...
High outside temperatures
If DEF heats up to over 122 °F (50 °C) for
extended periods, e.g. as a result of direct
sunlight on the DEF reservoir, DEF can
decompose. Ammonia vapors develop as a
result.
WARNING
When o ...
Drive sensibly – save fuel
Observe the following tips to save fuel:
The tires should always be inflated
to the recommended tire pressure.
Remove unnecessary loads.
Remove roof racks when they are not
needed.
Warm up ...