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Cadillac 1973 Owner's Manual page 40

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• open the
of system
Heating
In-car
a ..
pOSItion.
at desired
• Place control SWItch
III
• Set temperature
temperature.
• In warm weather, set the hinged outlet door
in each ceiling outlet as desired to direct air
toward rear seat passengers.
HEATER CONTROL OPERATION
The heater controls are located on the instrument
panel to the left of the steering column. The can·
On cars not equipped with air conditioning, the
heating system draws outside air from an opening
i
at the base of the windshield, circulates it through
a heating unit located on the right side of the cowl
and discharges it into the passenger compartment
from a distributor located behind the center of the
instrument panel just above the floor. In normal
heater operation most of this air is directed to the
floor with a fixed percentage continuously
diverted to the windshield to prevent fog forma-
tion. When more de-fogging or de-icing capacity is
required, almost all the air can be directed to the
windshield.
FLEElWOOO
75
CEILING
OUTLET
E
"00 75 REAR
CONT
L5
tor
bty mounted in the trunk. Also, an auto·
mltJC
rear window de-fogger is integral with the
-syst"".
Rear
system
controls-The controls for the rear
.are located behind a sliding cover on the
flight .... tnm panel above the armrest. lIIumi·
nation
IS
provided for this area when headlights are
all.
• To help
cool
a ery warm
windows for the first few
operation.
When cond
liOns
are such that
ta
or fog either
has formed or could form on car wlOdows, per·
form the following before driving
• Clear snow and ice from hood and air inlet in
front of windshield to improve heater and
defroster efficiency and reduce the proba-
bility of fogging on inside of windshield.
• Clear windshield, rear window, outside
mirrors and all side windows of ice and snow
before driving vehicle.
• Operate system on "HI" for a few seconds
before moving the vehicle, to clear the intake
ducts of snow.
Fleetwood 75 automatic
climate control
Individually controlled front and rear Automatic
Climate Control systems are used on Fleetwood
Seventy· Five cars. Operating instructions for the
front system, as previously explained, also apply
rJ8l
to these vehicles. The rear system is a completely
~
separate system with a heater, blower and evapora·

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