Four-Wheel Drive - GMC SIERRA 2500 HEAVY DUTY 2024 Getting To Know Your

TRACTION SELECT SYSTEM
TRACTION SELECT MODES
The Traction Select (Drive Mode) settings
automatically adjust various vehicle control
systems based on driving preferences, weath­
er and road conditions. The modes are dis­
played on the Driver Information Center (DIC).
Rotate the control knob (A) to select a
mode. Modes may include:
Normal – Use for normal driving.
Snow/Ice (2WD only) – Use for enhanced traction during slippery conditions.
Off-Road (4WD only) – Use for enhanced control on unpaved roads or trails
at moderate speeds.
Tow/Haul – Press the
heavy loads in stop-and-go traffic, rolling hills or busy parking lots.

FOUR-WHEEL DRIVE

Use the four­wheel­drive buttons (B) on the
left side of the instrument panel to shift into
and out of four­wheel drive. The transfer
case status is displayed on the DIC.
AUTO Automatic Four-Wheel Drive High –
Use when traction conditions vary for auto­
matic shifting between 2WD and 4WD. Shift
into this mode at any speed except when
shifting from .
Two-Wheel Drive High – Use for most streets and highways. Shift into this mode at
any speed except when shifting from
Four-Wheel Drive High – Use when extra traction is needed or in most off-road
driving. Shift into this mode at any speed except when shifting from
Four-Wheel Drive Low
on steep hills. Shift into or out of this mode when the vehicle is stopped or moving less
than 3 mph with the transmission in Neutral.
N Neutral – Use to tow the vehicle. Read your Owner's Manual for the shift procedure.
HILL DESCENT CONTROL
Hill Descent Control sets and maintains vehicle speed from 1–14 mph while descending
a steep incline in a forward or reverse gear.
1. Press the Hill Descent Control button on the center of the instrument panel.
Vehicle speed must be below 31 mph to enable the system. The
nate on the instrument cluster.
2. Increase or decrease speed by applying the accelerator or brake pedal, or use the
Cruise Control +/– buttons on the steering wheel. The adjusted speed becomes the
new set speed. The
brakes to maintain vehicle speed.
14
Optional equipment
F
/FOUR-WHEEL DRIVE
F
button to reduce shift cycling when towing or hauling
.
– Use when driving off-road in deep sand, mud or snow, or
F
F
symbol flashes when the system is actively applying the
B
A
See Driving and Operating in your Owner's Manual.
See Driving and Operating in your Owner's Manual.
Some equipment shown may not be included in your vehicle.
F
.
symbol will illumi­