Automatic Transmission Operation - GMC 2002 Envoy Owner's Manual

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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.
CAUTION:
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.
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 (P).
CAUTION: (Continued)
CAUTION: (Continued)
-
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
Drive (Automatic Transfer Case)" in the Index.
See "Shifting Into PARK (P)" in the Index. If
you're pulling a trailer, see "Towing a Trailer" in
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. Then move the shift lever into the
gear you wish. See "Shifting Out of PARK (P)" in
the Index.
-
Wheel
2-23

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