Automatic Transmission Operation - Chevrolet 2007 Colorado Owner's Manual

Automatic Transmission Operation

Your automatic transmission has a shift lever on
the steering column.
It features an electronic shift position indicator
within the instrument cluster. This display must
be powered anytime the shift lever is capable
of being moved out of PARK (P). This means that
if your key is turned off, but not in LOCK, there
will be a small current drain on your battery which
could discharge your battery over a period of
time. If you need to leave your key in the ignition
but not in LOCK for an extended period, it is
recommended that you disconnect the battery
cable from the battery to prevent discharging
your battery.
There are several different positions for your
shift lever.
124
PARK (P): This position locks your rear wheels.
It is the best position to use when you start
your engine because your vehicle cannot
move easily.
CAUTION:
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It is dangerous to get out of your vehicle
if the shift lever is not fully in PARK (P)
with the parking brake firmly set. Your
vehicle can roll.
Do not leave your vehicle when the
engine is running unless you have to.
If you have left the engine running, the
vehicle can move suddenly. You or others
could be injured. To be sure your vehicle
will not move, even when you are on
fairly level ground, always set your
parking brake and move the shift lever
to PARK (P). See Shifting Into Park (P)
(Automatic Transmission) on page 135.
If you are pulling a trailer, see Towing
a Trailer on page 306.