Gmc 2001 Savana User Manual download pdf (Page 151)

3-7

Heating

On cold days, use HEAT with the temperature knob in

the red area. Outside air will be brought in through the

floor outlets. The heater works best if you keep your

windows closed while using it.

If you use the optional engine coolant heater before

starting your engine, your heating system will produce

warmer air faster to heat the passenger compartment in

cold weather. See “Engine Coolant Heater” in the Index.

Defrosting

Use DEFROST to remove fog or ice from the

windshield quickly in extremely cold conditions. The

temperature knob should be in the red area and the fan

knob toward high. The air conditioning compressor may

operate in this setting to dehumidify the air.

Rear Window Defogger (If Equipped)

If you see lines running across the rear windows, you

have a rear window defogger. The lines warm the glass.

For best results, clear the windows of as much snow or

ice as possible before using the rear window defogger.

To turn on the rear window

defogger, press this button

located near the fan control.

An indicator light in the

button will come on when

the rear window defogger

is working.

The rear window defogger will only work when the

ignition is in RUN.

The rear window defogger will turn itself off after

several minutes. If you need additional warming time,

press the button again. Pressing the button when the

indicator light is illuminated will turn the defogger off.

If your vehicle is equipped with heated outside rearview

mirrors, the rear window defogger button will activate

both the rear window defogger and the heated outside

rearview mirrors. See “Heated Outside Rearview

Mirrors” in the Index.

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Gmc 2001 Savana User Manual Page 151