Chevrolet 1994 Lumina Owner's Manual page 93

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HEAT
When outside temperatures are
cold, push "HEAT". This will send most
of the heated air through the ducts near
the floor. The rest will come out of the
defroster vents and side window defogger
vents.
Defogging and Defrosting
There are two settings for clearing your
windows. For each setting, adjust the
temperature control as desired. The air
conditioner compressor will run in these
settings to remove moisture from the air
when the temperature is above freezing.
BLEND:
This setting allows half of the
air to flow to the floor heater ducts, and
half to go to the windshield and side
window vents located in the windshield
pillars. Use this setting to warm
passengers while keeping the windshield
clear.
The
w
setting directs 90% of the air
through the defroster vents and the side
window vents, and 10% to the floor.
To rapidly defrost the windshield, slide
the temperature control lever all the way
to the right and press the
w
button.
Adjust the fan to the highest speed.
Your vehicle is equipped with side
window defogger vents located on the
window pillar. For additional side
window defogging, push the "BI-LEV"
button, set the fan control at high speed
and aim the side vents on the instrument
panel toward the side windows. For
increased air flow to the side vents. close
the center vents.
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