Normal Driving Winter Or Summer - Pontiac 1953 Owners Service Manual

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After de· icing operation is completed turn
"AIR"
control knob to
"NORMAL". In this position, fogging of the windshield and car
windows is prevented and cool outside air at the breathing level is
supplied
.
This
adds to passenger comfort when the underseat
heater
is on
or
when
it
is necessary to
keep
the car windows closed.
The
"BLOWER"
switch in the
"ON"
poSition assists in
circulating
air
for both
the heater and defroster. (Use
of
the blower is unneces·
sary
for normal
driving conditions
because ample air is
forced
into
the
system
by the forward motion of the
car.)
It is used when the
car
is driven
slowly or
is
stopped,
to speed up de· icing
of
the windshield,
to prevent fogging
of
the windows when carrying
several passengers,
or to provide forced air ventilation when it is necessory to keep the
car windows closed while driving in a summer rainstorm.
NORMAL DRIVING WINTER OR SUMMER
To
get the best
results from your Venti·
Heat,
make the following
settings on
the
control
panel:
"AIR" .
. ........
Set
knob at
"NORMAL".
"TEMP"
.......
.
..... Set
knob for
temperature desired in .car.
"BLOWER" .
.
... Switch "OFF".
The
above settings should
not
be
changed except
for
abnormal
driving conditions.
It
should
be noted
that
when a
window
ventilator is opened
it
will draw
heat
from
other parts
of
the
car.
Following are
examples
of how settings are changed for
comfort
at
the demand
of
special driving
conditions.
19

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