Join Date: Feb 2007
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Re: scenic 2007 heated wing mirror?
Have a look at the heater controls - it may be incorporated into the heated rear screen circuit - it may give a clue.
Also try breathing heavily on the good mirror - watch how long it takes to clear - then switch on the heated rear screen and time it again.
Do remember the engine needs to be running when testing.
Have you consulted the drivers handbook?
Currently in madnoel10's garage:
Honda Civic 1.4l