Automatic Transmission Operation - GMC Envoy XL 2003 Owner's Manual

Automatic Transmission Operation

There are several different positions for your shift lever.
PARK (P): This position locks the rear wheels. It's
the best position to use when you start the engine
because your vehicle can't move easily.
It is da -erous 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.
Don't 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 won't move, even when you're on fairly
level ground, always set your parking brake and
~
move the shift lever to PARK
Into Park (P)" in the Index. If you're pulling a
trailer, see "Towing a Trailer" in the Index.
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(P). See "Shifting
If you have four-wheel drive, your vehicle will
-
be free to roll even if your shift lever is
-
in PARK (P) if your transfer case is in
NEUTRAL. So, be sure the transfer case is
-
in a drive gear not in NEUTRAL. See
"Four-wheel Drive (Automatic Transfer Case)
in the Index. See "Shifting Into Park (P)"
the Index.
Ensure the shift lever is fully in PARK (P) before starting
the engine. Your vehicle has an automatic transmission
shift lock control system. You have to fully apply the
regular brakes before you can shift from PARK (P) when
the ignition key is in RUN. If you cannot shift out of
PARK (P), ease pressure on the shift lever, press the
button on the shift lever and push the shift lever all
the way into PARK (P) as you maintain brake
application. Move the shift lever into the gear you wish.
See Shifting Out of Park (P) on page 2-32.
in
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