Key in the ignition lock in situation 1 or 2. At the included heating of back glass in the switch the control bulb burns.
Prevention
Heating of back glass demands big consumption of energy. Therefore at achievement of the necessary result switch off this mode at once. Automatic switching of heating of back glass will happen the latest in 20 minutes.
Previously it is necessary to remove snow or hoarfrost from the outer side of glass. If many consumers are included or the accumulator is insufficiently charged, heating of back glass can be turned off (in this case in the switch the control bulb flickers) and joins automatically at emergence of the necessary tension. |