Uniform tire quality grading
DOT (Department Of Transportation) Quality Grades: All passenger car tires must conform to federal safety requirements in addition to these grades.
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
See also:
Tire equipment
1. SUMMER tires have a tread designed to
provide superior performance on dry pavement.
However, the performance of these
tires will be substantially reduced in snowy
and icy conditions. If you ...
Engine block heater (if so equipped)
Engine block heaters are used to assist in cold
temperature starting.
The engine block heater should be used when
the outside temperature is 208F (−78C) or lower.
To use the engine block h ...
Audio main operation
Head unit:
The auto loudness circuit enhances the low and
high frequency ranges automatically in both
radio reception and CD playback.
ON·OFF/Volume control:
Place the ignition switch in the A ...