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:
(D) Drive Vehicle
Immediately after injecting sealant and inflating the tire, drive the vehicle
5 miles (8 km) or 10 minutes to ensure distribution of the TIREFIT Sealant within
the tire. Do not exceed 55 mph (88 k ...
Gasoline/Oxygenate Blends
Some fuel suppliers blend unleaded gasoline with oxygenates such as 10% Ethanol,
MTBE, and ETBE. Oxygenates are required in some areas of the country during the
winter months to reduce carbon mono ...
Downshifting
Proper downshifting will improve fuel economy and prolong engine life.
CAUTION!
If you skip more than one gear while downshifting or downshift at too high
a vehicle speed, you could damage the en ...