Department Of Transportation Uniform Tire Quality Grades
Jeep Grand Cherokee / Jeep Grand Cherokee Owners Manual / If you need consumer assistance / 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:
Vehicle Storage
If you are leaving your vehicle dormant for more than
21 days you may want to take steps to protect your
battery. You may:
• Remove fuse #J13 in the Totally Integrated Power
Module (TIPM) lab ...
Tire Terminology And Definitions
...
After Starting
The idle speed is controlled automatically and it will
decrease as the engine warms up. ...


