2021 CHEVROLET SUBURBAN traction control

2
INSTRUMENT PANEL
SYMBOLS
Exterior/ Instrument Panel Lamp Controls
4WDF/Drive Mode/Air Suspension ControlsF
Power Mirror/ Power Window/ Memory SeatF Buttons
Audio Next/Previous Favorite Station Controls (behind steering wheel)
Audio Volume Control (behind steering wheel)
Steering Wheel Adjustment Control
Engine Start/Stop Button
Integrated Trailer Brake ControlF
Traction Control-StabiliTrak Off/Park AssistF/Auto Engine Stop-Start Disable/Power Outlet Enable/Lane Keep AssistF/Hill Descent ControlF Buttons
Driver Information Center Controls/Voice Recognition Buttons
Head-Up Display ControlsF
Electronic Parking Brake Switch
Cruise Control/Adaptive Cruise ControlF/Forward Collision Alert/ Heated Steering WheelF Buttons
Low Fuel
Brake System
Cruise Control Set
Security
IntelliBeam
Engine Oil Pressure
Airbag Readiness
PARK Electronic Parking Brake
Service Electronic Parking Brake
Check Engine
Traction Control Off
Lights On Reminder
Antilock Brake System
Charging System
Driver Seat Belt Reminder
2 Pass. Seat Belt Reminder
Low Tire Pressure
Power Outlet On
Turn Signal/ Windshield Wipers/Washer Lever

15F Optional equipment
DRIVER MODE CONTROLF/FOUR-WHEEL DRIVEF
DRIVER MODE CONTROL
The Driver Mode Control settings automatically adjust various vehicle control systems based on driving preferences, weather and road condi-tions. The modes are displayed on the Driver Information Center.
Rotate the Driver Mode Control knob (A) on the left side of the instrument panel to select a mode.
Normal – Use for normal driving.
Sport – Use for enhanced responsiveness on paved roads.
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 – Use to reduce shift cycling when towing or hauling heavy loads in \
stop-and-go traffic, rolling hills, or busy parking lots.
Terrain (4WD onlyF) – Press the button for enhanced control in low-speed off-road
conditions. The system automatically provides light vehicle braking to simulate engine vehicle braking. Only available with the single-speed transfer case when in4
4
2
.
FOUR-WHEEL DRIVE
Use the four-wheel drive buttons (B) on the left side of the instrument panel to shift into and out of four-wheel drive. The Driver Information Center displays the current status of the transfer case.
AUTO Automatic 4WD High – Use when traction conditions vary.
4
4
2
2WD High – Use for most streets and highways.
4
4
2
4WD High – Use when extra traction is needed or in most off-road driving.
Shift between
44
2
, 4
4
2
, and AUTO at normal driving speeds.
44
2
4WD Low (2-Speed Transfer CaseF) – Use when driving off-road in deep sand, mud or snow, or on steep hills. Shift into or out of this mode when the vehi\
cle is stopped or moving less than 3 mph with the transmission in Neutral. Shift the trans\
mission into gear when the indicator light stops flashing.
N Neutral (2-Speed Transfer CaseF) – Use to dolly or dinghy tow the vehicle. Refer to your Owner’s Manual for the shift procedure.
See Driving and Operating in your Owner’s Manual.
A
B
4WD model shown

19F Optional equipment
TRAILERING APPF
The in-vehicle trailering app on the infotainment screen includes a variety of helpful functions when towing a trailer, including hitching and setup checklists, trailer tire pressure monitor-ingF, trailer light testing, customized trailer
profiles, trailer theft detection (requires an active OnStar service planF) and more.
INTEGRATED TRAILER BRAKE CONTROL (ITBC)F
The ITBC system can be used to adjust the amount of power output, or Trailer Gain, avail-able to the trailer brakes. The control panel is located on the left side of the instrument panel. ITBC information is displayed on the ITBC page on the Driver Information Center.
Squeeze the control together (right side does not move) to manually apply the trailer brakes.
Adjust the Trailer Gain by pressing the +/– adjustment buttons on the\
control panel.
See Driving and Operating in your Owner’s Manual.
TRACTION CONTROL
The Traction Control system limits wheelspin in difficult driving condit\
ions. The system turns on automatically every time the vehicle is started. Turn off Tract\
ion Control if the vehicle is stuck and rocking the vehicle is required.
Press the Traction Control button on the left side of the instrument panel to turn Traction Control off or on again.
See Driving and Operating in your Owner’s Manual.
TRAILERING
TIRE PRESSURE MONITOR
The Low Tire Pressure warning light on the instrument cluster illuminates wh\
en one or more of the vehicle’s tires is significantly underinflated. Fill t\
he tires to the proper tire pressures listed on the Tire and Loading Information label, located\
on the driver’s door opening below the door latch. Current tire pressures can be viewed on the Driver Information Center.
The Tire Fill Alert provides visual and audible alerts when inflating a \
tire to the recom-mended air pressure (excluding the spare tire). With the vehicle On, t\
he horn sounds and the turn signals change from flashing to solid when the recommended \
pressure is reached.
See Vehicle Care in your Owner’s Manual.