See also:

Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and viscosity grade. See Recommended Fluids and Lubricants. ...

Loss of Control
Skidding There are three types of skids that correspond to the vehicle's three control systems: - Braking Skid — wheels are not rolling. - Steering or Cornering Skid — too much speed or steeri ...

Tire Terminology and Definitions
Air Pressure: The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory Weight: ...