The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.
All passenger car tires must conform to Federal safety requirements in addition to these grades.
See also:
Driving style
Starting
Do not warm the engine with the car at a standstill or at idle or high speed:
under these conditions the engine warms up much more slowly, increasing electrical
consumption and emissions ...
Life Of Tire
The service life of a tire is dependent upon varying factors including, but not
limited to:
• Driving style
• Tire pressure
• Distance driven
WARNING!
Tires and the spare tire should be replac ...
Conditions of use
Cold starting
Short journeys and frequent cold starts do not allow the engine to reach optimum
operating temperature. This results in a significant increase in consumption levels
(from +15 to +30 ...