GMC Sierra 2014 Owner's Manual page 27

While using Range Selection Mode,
cruise control and the Tow/Haul
Mode can be used.
Grade Braking is not available when
Range Selection Mode is active.
See Tow/Haul Mode on page 9-38.
Four-Wheel Drive
If the vehicle has Four-Wheel Drive,
the engine's driving power can be
sent to all four wheels for extra
traction.
Transfer Case Controls
The vehicle will have one of these
three styles of transfer case
controls. Use these controls to shift
into and out of the different
four-wheel drive modes.
Manual Transfer Case
This transfer case shift lever is on
the floor to the right of the driver.
In Brief
Electronic Transfer Case
This transfer case knob is to the left
of the steering column.
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