Rear Demister In Car

If you have a persistent problem with condensation its likely that your vehicle has a leak somewhere and is therefore damp.

Rear demister in car. A defogger demister or defroster is a system to clear condensation and thaw frost from the windshield backglass or side windows of a motor vehicle. Note the difference in the icon shape on the button differentiates the rear window from the front windscreen. It was invented by german automobile engineer heinz kunert. This is to demist the rear window.

On heaters fitted by the car manufacturer the fuse is probably in the fusebox and protects other circuits too. Most newer cars have a trip a and trip b counter. After market heaters have an in line fuse fitted between the pick up point for the live feed and the window heater switch. A front windshield defroster left and a rear window defroster right symbol.

Your rear window will have wires in it through which a low power current is passed to heat up the glass. Find the fuse protecting the heated rear window circuit. Hit the car windscreen demister button without air conditioning and the ventilation system will try to warm up the windscreen by blowing warm air at it andor by running an electric current through a thin wire stuck onto the screen more common in rear windscreens to warm up the wire and eventually the window. Check around door and window seals and for patches of rust that might have pin prick size holes.

Use the heater correctly make sure your heaters blast is directed at the windscreen and the windows the warmer air even on cold the air will be warmer than the ice cold windscreen will dry the glass a little through evaporation and begin to heat up the glass to stop the water vapour condensing on it again. Available complete clear view defoggers include the automatic timer and switch wire harness and installation kit perfect for new defroster installations.