GMC 2012 Sierra - Manual (Page 31)

Black plate (25,1) GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
In Brief 1-25
2. Press the plus/minus buttons,
located on the steering column
shift lever, to select the desired
range of gears for current driving
conditions. See Manual Mode on
page 9‑38.
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 9‑39.
Four-Wheel Drive
If the vehicle has Four-Wheel Drive,
you can send the engine's driving
power to all four wheels for extra
traction.
Transfer Case Buttons
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.
Electronic Transfer Case
This transfer case knob is located
next to the steering column.