See also:

State emission testing (U.S. only)
WARNING Testing of an All-Wheel Drive vehicle must NEVER be performed on a single two-wheel dynamometer. Attempting to do so will result in uncontrolled vehicle movement and may cause an accident ...

Vehicle identification
1) Emission control label 2) Vehicle identification number 3) Certification and bar code label 4) Tire inflation pressure label 5) Vehicle identification number plate 6) Model number label 7) ...

Warning and indicator lights
...