See also:

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 ...

General maintenance
During the normal day-to-day operation of the vehicle, general maintenance should be performed regularly as prescribed in this section. If you detect any unusual sounds, vibrations or smells, be s ...

Before starting
To get the best recognition performance from Voice Recognition, observe the following: - The interior of the vehicle should be as quiet as possible. Close the windows to eliminate the surroundi ...