Plymouth Gran Fury 1980 Operating Instructions And Product Information page 25

HEATER AND BI-LEVEL VENTILATION
The operating controls consist of _the following:
Fan Switch
The fan can be operated at four speeds to regulate the amount of
air forced through the car.
Temperature Control Lever
Slide the lever right or left to maintain the desired temperature
when operating the Bi- Level, Heater or Defroster modes.
Push buttons
These buttons determine the operating mode of the system. The
buttons function as follows:
OFF- When this button is pushed, the entire system is shut off.
HI-LEVEL - Outside air enters the car and is directed through
four duct levels : defroster, heater, lap coolers, and instrument
panel outlets. The discharge air temperature and fan speed may
be adjusted as required. This fea ture provides forced air ventila-
tion in warm weather as well as improved comfort during very
sunny cold weather condition. BI- LEVEL also provides excellent
side win dow clearing during cold weather operation by allowing
you to direct instrument panel outlets towards sid e and rear of
vehicle.
HEAT - Air from outside the car is circulated through the system
and discharged through the floor outlets with some lesser portion
discharged through the defroster outlets. The discharged air
temperature and fan speed may be adjusted as required.
Be sure the windshield wiper cavity, located outside the ca r
below the windshield, is free o f snow or other obstructions.
DEF - Outside air is circulated through the system and dis-
charged thro ugh the windshield outlets, with some lesser portion
going to the floor outlets.
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