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: ...

Air conditioner button (if so equipped)
Air conditioner button (if so equipped) The button is provided only on vehicles equipped with an air conditioner. Start the engine, turn the fan control dial to the desired position and push ...

Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended can cause persistent, heavy “spark knock.” (“Spark knock” is a metallic rapping noise.) If severe, this can lead to ...