See also:

Three-way catalyst
The three-way catalyst is an emission control device installed in the exhaust system. Exhaust gases in the three-way catalyst are burned at high temperatures to help reduce pollutants. WARNING †...

Camera aiding sonar (parking sensor)
The sonar (parking sensor) sounds a tone to inform the driver of obstacles near the bumper. The colors of the sonar indicators and the distance guide lines in the front, front-wide, rear and r ...

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 o ...