Uniform tire quality grading

DOT (Department Of Transportation) Quality Grades: All passenger car tires must conform to federal safety requirements in addition to these grades.

Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example:

Treadwear 200 Traction AA Temperature A

See also:

Measurement of weights
Secure loose items to prevent weight shifts that could affect the balance of your vehicle. When the vehicle is loaded, drive to a scale and weigh the front and the rear wheels separately to determ ...

Increasing fuel economy
• Keep your engine tuned up. • Follow the recommended scheduled maintenance. • Keep the tires inflated to the correct pressure. Low tire pressure increases tire wear and lowers fuel econom ...

System operation
The automatic drive positioner system will not work or will stop operating under the following conditions: ● When the vehicle speed is above 4 MPH (7 km/h). ● When any of the memory s ...