See also:

Exhaust gas (carbon monoxide)
WARNING • Do not breathe exhaust gases; they contain colorless and odorless carbon monoxide. Carbon monoxide is dangerous. It can cause unconsciousness or death. • If you suspect that exhaus ...

Corrosion protection
Most common factors contributing to vehicle corrosion - The accumulation of moisture-retaining dirt and debris in body panel sections, cavities, and other areas. - Damage to paint and other protec ...

Readiness for Inspection/Maintenance (I/M) test
WARNING A vehicle equipped with All-Wheel Drive (AWD) should never be tested using a two wheel dynamometer (such as the dynamometers used by some states for emissions testing), or similar equipme ...