2007 GMC SIERRA CLASSIC ignition

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Page 158 of 674

GMC SIERRA CLASSIC 2007  Owners Manual Recommended Transfer Case Settings
Driving
ConditionsTransfer Case Settings
2
mAUTO
4WD4m4nN
Normal YES
Variable YES
Severe YES
Extreme YES
Vehicle in
Tow*YES
*SeeRecreational Vehicle Towing on page 4

Page 160 of 674

GMC SIERRA CLASSIC 2007  Owners Manual Shifting into Four-Wheel Drive High or
AUTO 4WD (Automatic Four-Wheel Drive)
Press and release the Four-Wheel Drive High
or AUTO 4WD switch. This can be done at any
speed, except when shifting from Fo

Page 161 of 674

GMC SIERRA CLASSIC 2007  Owners Manual If the Four-Wheel Drive Low switch is pressed
when your vehicle is in gear and/or moving,
the Four-Wheel Drive Low indicator light will �ash
for 30 seconds and the vehicle will not complete
the shift

Page 162 of 674

GMC SIERRA CLASSIC 2007  Owners Manual Shifting Into NEUTRAL
{CAUTION:
Shifting the transfer case to NEUTRAL
can cause your vehicle to roll even if the
transmission is in PARK (P). You or
someone else could be seriously injured.
Be sure to

Page 163 of 674

GMC SIERRA CLASSIC 2007  Owners Manual Shifting Out of NEUTRAL
To shift out of NEUTRAL:
1. Set the parking brake and apply the regular
brake pedal.
2. Turn the ignition to RUN with the engine off.
3. Shift the transmission to NEUTRAL (N).

Page 164 of 674

GMC SIERRA CLASSIC 2007  Owners Manual Electronic Transfer Case
If your four-wheel-drive
vehicle has the
electronic transfer case,
the transfer case
switches are located to
the left of the
instrument panel cluster.
Recommended Transfer Cas

Page 167 of 674

GMC SIERRA CLASSIC 2007  Owners Manual Shifting from Four-Wheel Drive Low to
Four-Wheel Drive High or Two-Wheel
Drive High
To shift from Four-Wheel Drive Low to Four-Wheel
Drive High or Two-Wheel Drive High, your
vehicle must be stopped or

Page 168 of 674

GMC SIERRA CLASSIC 2007  Owners Manual 5. Simultaneously press and hold the Two-Wheel
Drive High and Four-Wheel Drive Low buttons
for 10 seconds. The red NEUTRAL light will
come on when the transfer case shift to
NEUTRAL is complete.
6. St