GMC 2003 Envoy XL Owner's Manual page 103

I
.
It can be dangerous to get out of
ur 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've 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).
If you have four-
~ ~ ~
rive, your veh.-.?
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.
Follow the proper steps to be sure your vehicle won't
move. See Shifting Into Park (P) on page 2-30.
If you're pulling a trailer, see Towing a Trailer on
page 4-52.
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