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 ...

Auto-reverse function (if so equipped)
There are some small distances immediately before the closed position which cannot be detected. Make sure that all passengers have their hands, etc., inside the vehicle before closing the ...

Wheels and tires
If you have a flat tire, see “Flat tire” in the “6. In case of emergency” section. ...