GMC 2003 Envoy - Manual (Page 100)

Leaving Your Vehicle With the Engine
Running
It can be dangerous to leave your vehicle with
the engine running. Your vehicle could move
suddenly If the stiHt lever not fully in
PARK {P| with the parking brake firmly set.
И you have faur’wheel drive, your vehicle will
be free lo roll - even if your lever is ¡л
PARK (P) " it your transfer case is in
NEUTRAL. So be sure the transfer case
Is in a
drive gear " not NEUTRAL. See '"Four-Wheel
□rive (Automatic Transfer Case)” in the Index.
And, rf you leave the vehicle with the engine
running, it could overheat and even catch fire.
You or others coiild be Injured- Don't leave
yqur vehicle with the engine running unless
you have lo.
II you have lo leave your vehicle with the engine
running, be sure your vehicle is in PARK (P^ and your
parking brake is fiirnty set before you leave it. After
you've moved tha shilt lever inlo PARK (P), hold
the regular brake pedal down. Then, see if you can
move the sbitl lever away from PARK (P) without tir&t
pulling i| loward you (or pressing the -button on a console
shift Isver). If you can, il means that the shifi lever
wasn't fully locked into PARK (P).
Torque Lock
If you are parkirrg on a hill and you don't shift your
trsnsmission Into PARK (P) property, Ihe weight of the
vehicle imay pul too much force on the parking pawl
in ihe rransmissicin. Vou may lind 11 ditticuft to pull ihe
shill lever oul of PARK (P). This Is called "torque
lock " To prevent torque lock, set the parking brake and
then shift into PARK (P) properly before you leave
the driveKs seat. To find out how. see Shifting into
Park (P) on p^ge 2-30.
When you are ready to drive, move the shift lever oul o1
PARK (P)
before you release the parking brake.
It torque lock does occur, you may need to have anolher
vehicle push youns a little uphill to take some of ihe
pressure Irom the parking pawl in the Iransmissicm, so
you can pult the ahiit lever oul of PARK [P)
2-31