See also:

Tire Pressure
Proper tire inflation pressure is essential to the safe and satisfactory operation of your vehicle. Three primary areas are affected by improper tire pressure: ...

Head Restraints
Head restraints are designed to reduce the risk of injury by restricting head movement in the event of a rearimpact. Head restraints should be adjusted so that the top of the head restraint is lo ...

Materials Added To Fuel
All gasoline sold in the United States is required to contain effective detergent additives. Use of additional detergents or other additives are not needed under normal conditions and would result ...