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. ` ...

Controls
Fan control dial The fan control dial turns the fan on and off, and controls fan speed. Air flow control buttons The air flow control buttons allow you to select the air flow outlets. MAX A/C ...

Emission control information label
The emission control information label is attached to the underside of the hood as shown. ...