Uniform tire quality grading standards
This information indicates the relative performance of passenger car tires in the area of treadwear, traction, and temperature resistance. This is to aid the consumer in making an informed choice in the purchase of tires.
Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example:
Treadwear 200 Traction AA Temperature A
The quality grades apply to new pneumatic tires for use on passenger cars. However, they do not apply to deep tread, winter type snow tires, space-saver or temporary use spare tires, tires with nominal rim diameters of 12 inches or less, or to some limited production tires.
All passenger car tires must conform to Federal Safety Requirements in addition to these grades.
See also:
Engine oil
NOTE
- The engine oil consumption rate is
not stabilized, and therefore cannot be
determined until the vehicle has traveled
at least several thousand miles
(kilometers). Even after break-in, ...
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This light illuminates when vehicle speed has been set. ...
Coolant temperature low indicator light/Coolant temperature high warning light
CAUTION
● After turning the ignition switch to the “ON” position, if this indicator light/warning
light behaves under any of the following conditions, the electrical system may be
malfuncti ...
