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:
Tire Chains
Tire chains may be installed on all models except the Sahara and Rubicon. Install
chains on rear tires only.
Follow these recommendations to guard against damage and excessive tire and chain
wear ...
Onboard Diagnostic System — OBD II
Your vehicle is equipped with a sophisticated onboard diagnostic system called
OBD II. This system monitors the performance of the emissions, engine, and automatic
transmission control systems. Wh ...
Voice Command Tree
Refer to “Voice Tree” in this section. ...