Jeep Liberty: Department Of Transportation Uniform Tire Quality Grades
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.
Publication Order Forms
To order the following manuals, you may use either the
website or the phone numbers listed below. Visa, Mastercard,
American Express, and Discover orders are accepted.
If you prefer mailing your ...
Treadwear
The Treadwear grade is a comparative rating, based on
the wear rate of the tire when tested under controlled
conditions on a specified government test course. For
example, a tire graded 150 woul ...
See also:
Important operation tips for the air conditioning
● Park the vehicle in the shade. Parking in the hot sun will make the vehicle inside
extremely hot, and it will require more to cool the interior. If it is necessary
to park in the sun, op ...
Registering by voice
1. Select the “BY VOICE” menu.
2. Press the talk switch .
3. Say the phone number to be registered.
4. Select the “CONFIRM” menu.
5. Select the “RECORD NAME” menu by
operating the ...
Definition of terms for tires and loading
Tire ply composition and material used
Describes the number of plies or the number of layers of rubber-coated fabric
in the tire tread and sidewall. These are made of steel, nylon, polyester and ot ...
