Defogging And Defrosting - Pontiac 1998 Firebird Owner's Manual

Heating Ventilation
The heater works best if you keep your windows closed
while using it.
1. Turn the air control knob to heater.
2. Turn the fan control knob to the desired speed.
3. Turn the temperature control knob to a
comfortable setting.
During initial start-up only, if your vehicle is equipped
with an optional engine coolant heater, you can use it in
cold weather (around 2OoF/-8 "C or lower) to improve
heater performance on start up. See "Engine Coolant
Heater" in the Index.
Bi-Level Heating
You may want to use bi-level heating on cool, but sunny
days. This setting directs cool air toward your body and
warmer air toward your feet.
1. Turn the air control knob to bi-level.
2. Turn the temperature control knob to a
comfortable setting.
3. Turn the fan control knob to the desired speed.
For mild outside temperatures when little heating or
cooling is needed, you can still direct outside air through
your vehicle.
1. Turn the air control knob to vent.
2. Turn the temperature control knob to a
comfortable setting.
3. Turn the fan control knob to the desired speed.
Defogging and Defrosting
1.
Turn the air control knob to defrost.
2. Turn the temperature control knob to the
desired setting.
3. Turn the fan control knob to the desired speed.
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