2021 GMC YUKON tow

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ELECTRONIC PRECISION SHIFT TRANSMISSION
The Electronic Precision Shift transmission control switches are located on the center of the instru-ment panel. The selected gear position illuminates in red on the switch.
Park – Press the P button to shift to Park.
Reverse – Pull the R switch to shift to Reverse.
Neutral – Press and hold the N button to shift to Neutral.
Drive – Pull the D switch to shift to Drive.
Note: To place the transmission in Neutral for an extended period while using an automatic car wash, refer to Car Wash Mode in your Owner’s Manual.
ELECTRONIC RANGE SELECT MODE
Electronic Range Select Mode allows you to choose the top gear limit. It can be used to limit the vehicle’s speed when driving on a downhill grade or towing a trailer.
1. With the transmission in D (Drive), press the L (Low) button.
2. Press the + (plus) or – (minus) button to increase or decrease the gear range avail-able. The highest available gear is displayed on the Driver Information Center.
If vehicle speed is too high for the requested gear, the shift will not occur.
See Driving and Operating in your Owner’s Manual.
DRIVER INFORMATION CENTER
The Driver Information Center (DIC) on the instrument cluster displays a variety of vehicle messages and system information.
DIC CONTROLS
Use the controls on the right side of the steering wheel to view the various menus.
Press the or buttons (A) to move between the display pages.
Rotate the thumbwheel (B) up or down to move through the menus.
Press the thumbwheel to open a menu, select an item, or clear a
message.
SELECT INFO PAGESF
1. Open the Info or Options menu.
2. Scroll to Info Page Options. Press the thumb-wheel to enter the menu.
3. Scroll through the list of items.
4. Press the thumbwheel to select/deselect an item to display in the Info menu.
Fully equipped model shown
See Instruments and Controls in your Owner’s Manual.F Optional equipment
Denali model shown
B
A

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 in 4
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 vehicle 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.
4WD model shown
A
B

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TRAILERING APPF
The in-vehicle trailering app on the infotain-ment screen includes a variety of helpful func-tions when towing a trailer, including hitch-ing and setup checklists, trailer tire pressure monitoringF, 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.
F Optional equipment
TRACTION CONTROL
The Traction Control system limits wheelspin in difficult driving conditions. The system turns on automatically every time the vehicle is started. Turn off Traction 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.
TRAILERINGF
TIRE PRESSURE MONITORING SYSTEM
The Low Tire Pressure warning light on the instrument cluster illuminates when one or more of the vehicle’s tires is significantly underinflated. Fill the 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, the 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.

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Download the myGMC app to your compatible smartphone (or device) and, if your vehicle is properly equipped, you can start or turn off your engine, lock or unlock your doors, view key diagnostic information, set parking information and more.
The app is available on select Apple and Android devices. Service availability,
features and functionality vary by vehicle, device and data plan. Device data connection required. Visit onstar.com for more details. Download the mobile app from your
compatible mobile device’s app store.
ROADSIDE ASSISTANCE
1-888-881-3302 TTY Users: 1-888-889-2438
As the owner of a new GMC, you are automatically enrolled in the GMC Roadside Assistance program for up to 5 years/60,000 miles, whichever occurs first, at no expense to you. GMC’s Roadside Assistance toll-free number is staffed by a team of trained advisors who are available 24 hours a day, 365 days a year, to contact a service provider for light services (fuel delivery, jump-starts, flat tire and lock-outs) or make arrangements to tow your vehicle to the nearest GMC dealer for any repairs.
OnStar® Roadside Assistance
If you have a current OnStar Safety & Security plan, push the blue OnStar button or red Emergency button to get the help you need. An OnStar advisor will use GPS tech-nology to pinpoint your vehicle location and contact the nearest service provider.
To learn more about OnStar services, press the blue OnStar button, visit onstar.com, call 1-888-4-ONSTAR (1-888-466-7827), or refer to your Owner’s Manual.
GMC OWNER CENTER
Get to know your vehicle inside and out with the GMC Owner Center. Check out per-sonalized information including an online Owner’s Manual and helpful how-to videos, track your service history and warranty status, manage your OnStar and Connected Services vehicle plans, review your current Vehicle Diagnostics report (active service account required) and more. Create an account today at my.gmc.com.
MYGMC MOBILE APP
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We recommend always using ACDelco or GM Genuine Parts.
Certain restrictions, precautions and safety procedures apply to your vehicle. Please read your Owner’s Manual for complete instructions. All information contained in this guide is based on the latest information available at the time of printing and is subject to change without notice. Copyright 2020 General Motors. All rights reserved.