2021 GMC YUKON door lock

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The Keyless Access System allows locking/unlocking of the doors and liftgate without removing the Remote Keyless Entry transmitter (key fob) from your pocket or purse. The key fob must be within 3 feet of the liftgate or the door being unlocked.
KEYLESS UNLOCKING
With the key fob within range:
Press the button on the driver’s door handle to unlock the driver’s door or all doors and liftgate.
Press the button on a passenger’s door handle to unlock all doors and liftgate.
KEYLESS LOCKING
With the ignition off, the key fob removed from the vehicle, and all doors closed:
Press the button on any door handle to lock all doors and liftgate immediately.
If Passive Locking is turned on in the Settings menu, all doors and liftgate will lock automatically after a short delay.
Note: To change the door lock and unlock settings, go to Settings > Vehicle > Remote Lock, Unlock, Start.See Keys, Doors and Windows in your Owner’s Manual.
REMOTE KEYLESS ENTRY TRANSMITTER (KEY FOB)
KEYLESS ACCESS SYSTEM
Lock
Press to lock all doors and liftgate.
Unlock
Press to unlock the driver’s door or all doors and liftgate.
Remote WindowsF
Press and hold the button until the windows are fully open. To enable, go to Settings > Vehicle > Remote Lock, Unlock, Start > Remote Window Operation.
Remote MirrorsF
To enable the automatic power fold-ing mirrors, go to Settings > Vehicle > Comfort and Convenience > Remote Mirror Folding.
Power LiftgateF
Press twice to open or close the liftgate. Press once to stop the liftgate.
Rear LiftglassF
Press twice to open the rear liftglass.
Vehicle Locator/Panic Alarm
Press and release to locate your vehicle.
Press and hold to activate the alarm. Press again to cancel the alarm.
[ Remote Vehicle Start
Press twice to start the engine from outside the vehicle. After entering the vehicle, press the ENGINE START/STOP button.
• During a remote start, the engine will run for 15 minutes. Press the [ button twice again for an additional 15 minutes.
• To cancel a remote start, press and hold the [ button until the parking lamps turn off.
Note: To change the remote lock, unlock, and remote start settings, go to Settings > Vehicle > Remote Lock, Unlock, Start.
F Optional equipment
See Keys, Doors and Windows in your Owner’s Manual.

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2ND-ROW SEAT ADJUSTMENTS
To slide a 2nd-row seat, lift the front lever (A) on the side of the seat cushion.
To recline a 2nd-row seatback, lift the rear lever (B) on the side of the seat cushion and push on the seatback.
To fold a 2nd-row seat, lift the rear lever (B) on the side of the seat cushion or, from the 3rd-row seat, pull the strap (C) on the bot-tom of the seatback. The seatback will fold forward. Lift the lever or pull the strap again to tumble the seat forward.
To return the seat to the upright position, lift the seatback until it locks in place and then slide the seat rearward by lifting the front lever (A) on the side of the seat cushion.
Note: Do not slide the 2nd-row seat while folded.
POWER FOLDING 2ND-ROW SEATSF
1. Unbuckle the seat belts, make sure nothing is under or in front of the seats, and move the front seats forward enough to allow room for the folded seat.
2. Press the Seat Release button (D) on the panel behind each rear door or the x2 2nd-Row Seat button (E) in the rear cargo area. The seatback will fold forward.
3. Press either button again to tumble the seat forward.
To return the seat to the upright position, pull the seat down until it latches to the floor and then lift the seatback until it locks in place.
POWER FOLDING/UNFOLDING 3RD-ROW
SEATSF
1. Unbuckle the seat belts, make sure nothing is on the seats, and move the 2nd-row seats forward enough to allow room for the folded seats.
2. Press and hold the bottom of the 3rd-Row Seat button (F) in the cargo area or
3rd-Row Folding Seat button on the front overhead console to fold the seat-back.
To unfold the seat, press and hold the top of either button.
CLEANING THE SEATS
The seats are easily cleanable. For best results, using a damp, soft microfiber cloth, gently rub from the outside edge of the soiled edge to the center.
See Seats and Restraints in your Owner’s Manual.
REAR SEATS
F Optional equipment
D
C
BA
EF

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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.