See also:

Suggested up-shift speeds
The following are suggested vehicle speeds for shifting into a higher gear. These suggestions relate to fuel economy and vehicle performance. Actual upshift speeds will vary according to road cond ...

Blocking wheels
Blocking wheels Place suitable blocks 1 at both the front and back of the wheel diagonally opposite the flat tire 2 to prevent the vehicle from moving when it is jacked up. Be sure to bl ...

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 ...