GMC Sierra Owners Manual

Four-Wheel Drive
In Brief / Initial Drive Information / 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.

GMS Sierra: Four-Wheel Drive. Manual Transfer Case
Manual Transfer Case

This transfer case shift lever is on the floor to the right of the driver.

GMS Sierra: Four-Wheel Drive. Electronic Transfer Case
Electronic Transfer Case

This transfer case knob is located next to the steering column.

GMS Sierra: Four-Wheel Drive. Automatic Transfer Case
Automatic Transfer Case

This transfer case knob is located next to the steering column.

Each transfer case design offers different drive options. The list below describes the different drive options that may be available.

2 GMS Sierra: Four-Wheel Drive. AUTO (Automatic Four-Wheel Drive): This setting is ideal for use when road surface traction conditions are variable. (Two-Wheel-Drive High): This setting is used for driving in most street and highway situations.

AUTO (Automatic Four-Wheel Drive): This setting is ideal for use when road surface traction conditions are variable.

4 GMS Sierra: Four-Wheel Drive. N (Neutral): Shift the transfer case to Neutral only when towing the vehicle. See Recreational Vehicle Towing on page 10‑96 or Trailer Towing on page 9‑84. (Four-Wheel High): Use the Four-Wheel-Drive High position when extra traction is needed, such as on snowy or icy roads or in most off-road situations.

N (Neutral): Shift the transfer case to Neutral only when towing the vehicle. See Recreational Vehicle Towing on page 10‑96 or Trailer Towing on page 9‑84.

4 GMS Sierra: Four-Wheel Drive. See Four-Wheel Drive on page 9‑43. (Four-Wheel-Drive Low): This setting sends maximum power to all four wheels. You might choose Four-Wheel-Drive Low if you are driving off-road in deep sand, deep mud, deep snow, and while climbing or descending steep hills.

See Four-Wheel Drive on page 9‑43.


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