User Manual - Page 134

For 1997 OLDSMOBILE ACHIEVA.

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Heating
On cold days, use HEAT with the temperature
knob
all
the way in the red area. The system will bring in outside
air, heat
it
and send
it
to
the floor ducts.
If your vehicle has an engine coolant heater, you can use
it to help your system provide warm air faster when it’s
cold outside
(O’F
(-18°C)
or lower).
An
engine coolant
heater warms
the
coolant your engine and heating
system use to provide heat. See “Engine Coolant
Heater” in the Index.
Defogging and
Defrosting
There are two settings for clearing your windows. For
each setting, adjust the temperature control as desired.
To rapidly defrost the windshield, rotate the temperature
control to maximum heat and rotate the mode control to
the defrost symbol. Rotate the
fan
to the highest speed.
Your vehicle is equipped with side window defogger
vents. The side window defogger vents are located on
each end of the instrument panel. For additional side
window defogging, rotate the mode control to the
BI-LEV position, rotate the fan control to the highest
speed and aim the side vents on the instrument panel to
the side window. For increased airflow to the side vents,
close the center vents.
3-4
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