Chevrolet 1973 Monte Carlo Owner's Manual page 39

mended for most winter driving.
BI-LEVEL - Outside air is deliv-
ered from the heater lower outlet
and the defroster duct and upper
outlets to provide comfort and keep
the windshield and side glass clear
under low fogging conditions.
DEF - Outside air is delivered
through the defroster outlets only.
Temperature and blower speeds
may be adjusted as required. This
position is recommended for condi-
tions of severe fogging and icing
only.
Four Season System
Air Outlets
All air outlets on the instrument
panel may be rotated or vanes
turned to direct air flow in direction
desired.
For additional air flow lap cool-
ers (2) are provided under the
steering column and glove box.
They have vertical air control vane
outlets and are aimed at the driver
and passenger. Under each lap
cooler is a floor cooler outlet that
is operated in a push-pull manner
for opening and closing, control-
ing the amount of air to the floor.
37
Air-Conditioner Operating
Tips
Close all windows and vents
when operating air conditioning
system except for the first few
minutes of operation when the car
interior is very hot. Close the win-
dows as soon as the excessively
heated air has escaped.