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 t ...

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 ...

Checking engine oil leve
1. Park the vehicle on a level surface and apply the parking brake. 2. Run the engine until it reaches operating temperature. 3. Turn off the engine. Wait more than 10 minutes for the oil to dr ...