Department Of Transportation Uniform Tire Quality Grades
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:
American Petroleum Institute (API) Engine Oil Identification Symbol
This symbol means that the oil has been certified by the American Petroleum Institute
(API). The manufacturer only recommends API Certified engine oils.
CAUTION!
Do not use chemical flushes in y ...
Cooling System
To reduce potential for engine and transmission overheating, take the following
actions:
− Highway Driving
Reduce speed.
− Air Conditioning
Turn off temporarily. ...
Interior
As the Chrysler Group, which owns Jeep, grew quickly on past successes, many
of the interiors of its new models suffered. Cheap, bulky plastic dismally makes
up most of the Liberty cabin, as it do ...