Originally Posted by NathR
Air con comes on automatically when your heater knob is set to screen mate, and no, the light doesn't come on. If when you stop the engine the fan is still going then it's a good sign air-con's been on, bit strange!

no way

: So that wud explain near frost outside my window on the way home then lol
wondered why the engine clunked when I got in it at work, then half way home it all went misty/icey toward the bottom of the windscreen.
Wow, cheers for that info, never knew that