See also:

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 ...

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 t ...

Tire Pressure Monitoring System (TPMS)
Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire infl ...