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:
Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended above can cause persistent, heavy spark knock.
(Spark knock is a metallic rapping noise.) If severe, this can lead to engine damag ...
Removing spots
Remove tar and oil spots, industrial dust, insects, and tree sap as quickly as possible from the paint surface to avoid lasting damage or staining. Special cleaning products are available at an INFINI ...
Vehicle information display
1. Push the INFO button on the control panel.
2. Select an item from the INFO menu.
3. After viewing or adjusting the information on the following screens, push the BACK button to return to the INFO ...
