See also:

DOT, Tire Identification Number (TIN)
U.S. tire regulations prescribe that every manufacturer of new tires or retreader has to imprint a TIN in or on the sidewall of each tire produced. The TIN is a unique identification number. ...

Adjusting the head restraints electrically
- To adjust the head restraint height: slide the switch for head restraint adjustment up or down in the direction of the arrow. ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...