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Heater
The windshield defrosting and de-
fogging system assists in providing
good visibility through designated
areas of the windshield under most
inclement weather conditions. For
immediate operation of the vehicle,
the windshield should be scraped
clear.
Push the AIR-FAN lever to the
right on Chevelle, down on Nova
and Camaro to mid-position to allow
outside air to pass through the heater.
Further movement of the lever oper-
ates the low, medium and high speeds
of the fan.
Adjust TEMPERATURE lever as
required to give the desired degree of
heat. Full right on Chevelle, down on
Nova and Camaro position provides
maximum heat.
Move the DEFROSTER lever to the
right when Windshield defrosting is
needed. Full right on Chevelle, down
on Nova and Camaro position diverts
the entire air How to the defroster.
Vary TEMPERATURE lever as re-
quired.
CAUTION:
con-
outside
Operate system for 30 seconds be-
fore switching to "DE-ICE" This will
remove humid air from the system and
minimize rapid fogging of the glass
which can occur if humid air is blown
onto a cool Windshield.
25
Heater Operating Tips
Always brush snow from the hood
and air inlet in front of the windshield
before operating the heater.
Keep all Windows and vents closed
to eliminate dust. road and Wind noise
and uncomfortable drafts.
For most satisfactory heater opera-
tion and air circulation, operate fan
on low or medium speeds for normal
operation and high speed for quick
Warm-up and during extremely low
temperatures,
For adequate rear seat heating, the
area beneath the front seat must not
be blocked by carpeting, rags, paper
or other material and fan should
operate on high blower.
For additional summer ventilation
move the AIR-FAN lever to mid-
position and the DEFROSTER lever
to DE-ICE. If greater airflow is de-
sired, move the AIR-FAN lever fur-
ther to the right to operate the three-
speed blower.
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