See also:

AM radio reception
AM signals, because of their low frequency, can bend around objects and skip along the ground. In addition, the signals can be bounced off the ionosphere and bent back to earth. Because of thes ...

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 ...

Seat belts with pretensioners (Front seats)
WARNING ● The pretensioners cannot be reused after activation. They must be replaced together with the retractor and buckle as a unit. ● If the vehicle becomes involved in a collisio ...