Pontiac 1957 Owner's Manual page 21

Table of Contents

Advertisement

All Wentlter eOJl1/ort
eolttrol
VENTILATION SYSTEM-The
ventilating panes
in the door
windows,
the
duct
type
ventilators and
the underseat heater
are
all
part of a controlled ventilation system.
Vent Panes-The ventilating
panes
can
be adjusted, by means
of
a crank
control,
to
any
position to
suit weather
conditions
and
provide circulation of
outside air
in the car. They
are also
useful in
preventing
fogging
of
the
windows,
especially
the
windshield,
in
cold
weather.
Vent Ducts- Two
"VENT"
control knobs,
located
on
the instrument panel below the
ignition
switch
are used to control the
amount
of outside air
entering the car through the
duct type
ventilators
in the
side
kick
pads.
The
amount
that either the right
or
left
knob
is pulled out will regulate
the
amount
of air
entering the car
from that particular
duct
.
HEATER AND DBFROSTER-Even distribution of heated
aIr
IS
accomplished
through the use
of a
heater distribution manifold
running crosswise
of the body
under the front
seat.
Hood high
air
is
taken in through the intake directly below the
windshield,
heated
and
discharged through the manifold
toward
the
front
and
rear of
the
car for
equalized
distribution by
openings
in
.
the manifold under the
driver and front
seat
passenger.
Temperature Control- The
"TEMP"
control
is
a
thermostatic
con-
trol
similar
in
operation
to
the thermostatic controls
found
on
auto-
maticoil
or gas
hot
air
furnaces.
To maintain the desired temperature
inside the car the
"TEMP"
control automatically
regulates the flow
of
hot water to the heater.
This
makes it
unnecessary
to change
the
setting of
the
"TEMP"
lever
once
it is adjusted
to
produce
a com-
[
18]

Advertisement

Table of Contents
loading

Table of Contents