See also:

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 ...

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. - Th ...

Fog light switch (if so equipped)
To turn the fog lights on, turn the headlight switch to the position, then turn the fog light switch to the position. To turn the fog lights on with the headlight switch in the AUTO position (if ...