See also:

Readiness for inspection/maintenance (I/M) test
WARNING A vehicle equipped with Four-Wheel Drive (4WD) should never be tested using a two wheel dynamometer (such as the dynamometers used by some states for emissions testing), or similar equipm ...

Vehicle recovery (freeing a stuck vehicle)
Tie down and recovery hook WARNING • Stand clear of a stuck vehicle. • Do not spin your tires at high speed. This could cause them to explode and result in serious injury. Parts of your ...

Measurement of weights
Secure loose items to prevent weight shifts that could affect the balance of your vehicle. When the vehicle is loaded, drive to a scale and weigh the front and the rear wheels separately to determ ...