Pontiac 1953 Owner's Manual page 14

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Jlvdra-vtiatie :Drive
The Hydra-Matic drive consists of a
fluid
coupling, which replaces
the conventional clutch and is combined with a hydraulically con-
trolled
automatic transmission
having
four speeds forward and one
reverse. Gear changing
is
accomplished automatically by the trans-
mission in accordance with the performance demands of the road
conditions encountered and the wishes of the driver.
HOW TO OPERATE THE HYDRA-MATIe DRIVE-The
Hydra-
Matic
drive is
convenient to operate
in
that the
driver
only selects,
by
use
of the control
lever
and indicator segment, the speed range in
which
he
wishes the car
to
operate. The speed
ranges
are clearly
shown on the indicator segment, and are
illuminated
when
the
instru-
ment panel
lights
a
re
turned on. The speed ranges are
designated
as follows:
N -Neutral
and starting .
• DR-For
all normal forward driving and improved fuel
economy.
DR.
-For faster acceleration and driving in congested traffic.
LO-For controlled power.
R-Reverse
and parking.
TO START
ENGINE-Place Hydra-
Matic control
lever
in N (neutral )position.
The starting circuit is wired so that
the starter
will
not operate unless the
lever is in neutral;
press accelerator
pedal
to toeboard once and
release
(in order to
set
the
Automatic Choke); turn the ignition switch
key to
right
to
full stop position,
release
as soon as engine starts.
Should the engine fail to start
in
five to ten seconds, it is possible
that
it is flooded. In that case, press the
accelerator
pedal slowly to
the floor
and
hold
it there
when
starting. This renders
the
choke
inoperative
and relieves
the
flooded condition.
NOTE: When starting
a
warm or
hot engine, hold accelerator pedal down
half
way.
CAUTION:
Do not
"pump"
the
accelerator
pedal
at
any time. Avoid racing
the
engine
during warm-up period.
[ 11)

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