Uniform tire quality grading

Uniform tire quality grading - Technical and consumer information - Infiniti QX Owners Manual - Infiniti QX

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:

Wheels
Wash the wheels when washing the vehicle to maintain their appearance. • Clean the inner side of the wheels when the wheel is changed or the underside of the vehicle is washed. • Inspect wheel rims ...

Oil viscosity
The engine oil viscosity or thickness changes with temperature. Because of this, it is important that the engine oil viscosity be selected based on the temperatures at which the vehicle will be operat ...

Glass
Use glass cleaner to remove smoke and dust film from the glass surfaces. It is normal for glass to become coated with a film after the vehicle is parked in the hot sun. Glass cleaner and a sof ...