GMC 2007 Envoy - Manual (Page 127)

Shifting Into Park (P)
{ CAUTION:
It can be 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. 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, use the steps that follow. With
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 on page 122. Always put
the shift lever fully in PARK (P) with the
parking brake firmly set. If you are pulling
a trailer, see Towing a Trailer on page 362.
To shift into PARK (P), do the following:
1. Hold the brake pedal down with your foot and
set the parking brake.
2. Move the shift lever into PARK (P) by pressing
the button on the side of the shift lever and
pushing the lever all the way toward the front
of the vehicle.
3. Turn the ignition key to LOCK.
4. Remove the key and take it with you. You
know your vehicle is in PARK (P) if the key
can be removed from the ignition.
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