GMC 2003 Sierra - Manual (Page 335)

Four-Wheef-Drive Vehicles
Use Ihe Allowing procedure lo low j^nur vehicFe;
1. FifinJy set (he parking brake.
2. Shift an automatic transmission lo PARK (P), or a
manual transmission )o FIRST (1J.
3. Securely attach Ihe vehicje being tawed to the law
vehjcEs.
4, Shift the transter case to NEUTRAL. See
Foo{‘-W he&f Drive oct psge 2-35 for lha proper
procedure to select the nouiral position for
your vehicle.
5. Release the parking brake only after the vehida
being lowed is frrmiy attached to the towing vehicle.
S. Turn the rgnrtlan off.
Д CAUTION:
Shifting a four-wheel-ciflve vehlete’s tranafar
case into
NEUTRAL can cause your vehicle lo
roU even if the transmioslon is In Park (P) for
an automatic transmission^ cr if your vehicle is
in деаГт for a manual transmiasion. Vou or
others could be injured. Make sure the parking
brake Is tiimly set before you shift the Irartsfer
case to NEUTRAL.
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