See also:

Uniform tire quality grading
DOT (Department of Transportation) Quality Grades: All passenger car tires must conform to federal safety requirements in addition to these grades. Quality grades can be found where applicable on ...

Engine coolant temperature gauge
The gauge A indicates the engine coolant temperature. The engine coolant temperature is within the normal range when the gauge is within the zone B shown in the illustration. The engine cool ...

Exhaust gas (carbon monoxide)
● 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 ...