2020 GMC SIERRA tailgate

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Refer to your Owner’s Manual to learn about the information being relayed by the lights, gauges and indicators on the instrument cluster.

See Introduction in your Owner’s Manual.
Driver’s Heated/Ventilated Seat ButtonsF
Infotainment System (8-inch* screen shownF)
Passenger’s Heated/Ventilated Seat ButtonsF
Infotainment System Controls Climate ControlsF
USB Ports/ Accessory Power Outlet/120-Volt Power OutletF
Integrated Trailer Brake ControlF
Wireless Charging PadF
Lane Keep AssistF (LD Model) or Lane Departure WarningF (HD Model)/Park AssistF/Auto Engine Stop-Start Disable (LD Model)/Power TailgateF/Hazard Warning Flashers Buttons
F Optional equipment *Screen measured diagonally
Traction Control-StabiliTrak Off/ Power OutletF/Hill Descent ControlF/ Power WindowsF/MultiPro Power Assist StepsF (LD Model) Buttons
Vehicle Ahead
Antilock Brake System
Low Tire Pressure
Door Ajar
Charging System
Driver Seat Belt Reminder
2 Passenger Seat Belt Reminder
AUTO 4WD Mode
Lane Departure Warning (HD Model)

4F Optional equipment
KEYLESS ACCESS SYSTEMF
REMOTE KEYLESS ENTRY TRANSMITTER (KEY FOB)F
The Keyless Access System enables operation of the doors and tailgate without
removing the Remote Keyless Entry (RKE) transmitter from your pocket or purse. The transmitter must be within 3 feet of the tailgate or the door being unlocked.
KEYLESS UNLOCKING
With the transmitter within range:
Press the button on the driver’s door handle to unlock the driver’s door; press it again within 5 seconds to unlock all doors and tailgate.
Press the button on a passenger door handle to unlock all doors and tailgate.
Press the lower button on the tailgate to lower the standard tailgate.
KEYLESS LOCKING
With the ignition off, the transmitter removed from the vehicle, and all doors closed:
Press the button on any door handle to lock all doors and tailgate immediately.
If Passive Locking is turned on, all doors 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.
Lock
Press to lock all doors and tailgate.
Unlock
Press to unlock the driver’s door.
Press again to unlock all doors and tailgate.
Press and hold until the win-dows are fully open.F To enable, go to Settings > Vehicle > Remote Lock, Unlock, Start.
Press and hold the Lock/Unlock button for 1 second to fold/unfold the power mirrors.F To enable, go to Settings > Vehicle > Comfort and Convenience.
Power Release TailgateF
Press twice to lower the tailgate.
Vehicle Locator/Panic Alarm
Press and release to locate your vehicle. The exterior lamps flash and the horn chirps 3 times.
Press and hold to activate the alarm. Press again to cancel the alarm.
Remote Vehicle StartF
Press and release the Lock button and then press and hold the button until the turn
signal lamps flash to start the engine from outside the vehicle. After entering the vehicle, turn on the ignition.
To cancel a remote start, press and hold the button until the parking lamps turn off.
See Keys, Doors and Windows in your Owner’s Manual.

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CLIMATE CONTROLS/VEHICLE CONTROLSF
AUTO Driver’s Temp. Control/Automatic OperationF
SYNC Passenger’s Temp. Control/Link passenger’s setting to driver’s settingF
AC/ Air Conditioning/ Recirculation Mode
Fan Speed/ On/Off
Air Delivery Modes: Defog Vent Floor
MAX/REAR Defrost Mode/Rear Window-Heated Outside Mirror DefogF
Park Assist On/OffF
Lane Keep Assist (LD Model) or
Lane Departure Warning (HD Model) On/OffF
Hill Descent Control On/OffF
Power Assist Steps On/OffF (LD Model)
$ Auto Engine Stop/Start Disable On/Off (LD Model)
Press to lower the tailgate
Cargo Box Power Outlet On/OffF (Ignition must be On)
Hazard Warning Flashers On/Off
Traction Control/ StabiliTrak On/Off
Dual automatic climate controlsF shown
To apply the parking brake, press the
Parking Brake button on the left side of the instrument panel.
To release the parking brake, turn on the ignition, press the brake pedal, and then press the button.
See Driving and Operating in your Owner’s Manual.
ELECTRIC PARKING BRAKE
See Introduction in your Owner’s Manual.
F Optional equipment

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The tailgate has 6 functional positions to improve loading, unloading and access to the cargo box.
1. Primary Gate
Open the primary gate for access to the cargo box.
2. Primary Gate Load Stop
With the primary gate open, the load stop helps keep longer items secure in the cargo box.
3. Easy Access
The inner gate folds down for easier reach into the cargo box to access items near the cab.
4. Full-width Step
With the primary gate open, the inner gate folds into a sturdy step (up to 375 lbs.) with a conve-nient handle for easy cargo box entry and exit.
5. Inner Gate Load Stop
With the primary gate closed, fold the inner gate for two-tier storage and open the load stop to help keep longer items secure.
6. Inner Gate Work Surface
With the primary gate closed, fold the inner gate for two-tier storage or for use as a standing-height work surface.
Note: Do not lower the inner gate with the primary gate open if a hitch ball or trailer is attached.
OPEN THE INNER GATE
Press the upper button (A) on the tailgate.
OPEN THE PRIMARY GATE
Press the lower button (B) on the tailgate.
Press the Power Tailgate button twice on the Remote Keyless Entry transmitter.
Press the Power Tailgate button on the
center of the instrument panel.
OPEN THE PRIMARY GATE AND INNER GATE
Press the lower button and then upper button (B then A) on the tail-gate consecutively.
OPEN THE LOAD STOP OR STEP
Press the release bar (C).
GMC MULTIPRO TAILGATE OPERATIONF
F Optional equipmentSee Keys, Doors and Windows in your Owner’s Manual.
A
B
C
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