Cadillac CTS/CTS-V Owner Manual - 2011
Vehicle Care 10-87
Temperature – A, B, C
The temperature grades are
A (the highest), B, and C,
representing the tire's resistance
to the generation of heat and its
ability to dissipate heat when
tested under controlled
conditions on a specified indoor
laboratory test wheel. Sustained
high temperature can cause the
material of the tire to degenerate
and reduce tire life, and
excessive temperature can lead
to sudden tire failure. The grade
C corresponds to a level of
performance which all
passenger car tires must meet
under the Federal Motor Safety
Standard No. 109. Grades B and
A represent higher levels of
performance on the laboratory
test wheel than the minimum
required by law. Warning: The
temperature grade for this tire is
established for a tire that is
properly inflated and not
overloaded. Excessive speed,
underinflation, or excessive
loading, either separately or in
combination, can cause heat
buildup and possible tire failure.
Wheel Alignment and Tire
Balance
The tires and wheels on your
vehicle were aligned and balanced
carefully at the factory to give you
the longest tire life and best overall
performance. Adjustments to wheel
alignment and tire balancing will not
be necessary on a regular basis.
However, if you notice unusual tire
wear or your vehicle pulling to one
side or the other, the alignment
might need to be checked. If you
notice your vehicle vibrating when
driving on a smooth road, the tires
and wheels might need to be
rebalanced. See your dealer for
proper diagnosis.
CTS-V models should only use
adhesive wheel weights to balance
the tires and wheels.
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