See also:

Battery replacement
Be careful not to allow children to swallow the battery and removed parts. ...

OFF position
When the switch is in the OFF position 3 , the ceiling light will not illuminate, regardless of the condition. ...

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: ...