See also:

Checking electric cooling fans
WARNING: The cooling fan is controlled by engine coolant temperature and may sometimes operate even when the engine is not running. Use extreme caution when working near the blades of the cooling ...

Air conditioning system
Air Conditioning Switch (If installed) The air conditioning is turned on or off by pushing the A/C button on the heating/air conditioning control panel. Air Conditioning Operation for Cooling ...

Using a cellular phone or a twoway radio
When a cellular phone is used inside the vehicle, noise may be produced from the audio equipment. This does not mean that something is wrong with the audio equipment. In such a case, use the cellu ...