2015 GMC SIERRA HD Get To Know Guide

Review this Quick Reference Guide for an overview of some important features in your GMC Sierra. More detailed information can be found in your Owner Manual. Some optional equipmentF described in this guide may not be included in your vehicle. For easy reference, keep this guide with your \
Owner Manual in your glove box.
www.gmc.com

2
Instrument Panel
Instrument Cluster Symbols
Audio Next/Previous Favorite Station Controls (behind steering wheel)
Cruise Control/ Collision AlertF/Heated Steering WheelF Buttons
Power Mirror ControlF/Door Lock Switch/Window Buttons
Voice Recognition Buttons/Driver Information Center Controls
Audio Volume Controls (behind steering wheel)
Tilt Steering Wheel Lever
Telescoping Steering Wheel ControlF
Memory Seat ControlsF4WD ControlF
Instrument Panel Illumination Control/Exterior Lamp ControlTow/Haul Button
Driver Information Center
Turn Signal/Windshield Wipers Lever
Integrated Trailer Brake ControlF
Low Fuel
Traction Control Off
Lane Departure Warning
Brake System
Cruise Control Set
StabiliTrak Active
StabiliTrak Off
Security
Tow/Haul Mode
Hill Descent Control
Diesel Exhaust Brake (diesel models only)
Lights On Reminder
Airbag Readiness
Check Engine
Antilock Brake System

3
Refer to your Owner Manual to learn about the information being relayed by the lights, gauges and indicators on the instrument cluster.
See In Brief in your Owner Manual.
Driver’s Heated/Cooled Seat ButtonsF
Infotainment System (8-inch* screen shownF)
Passenger’s Heated/Cooled Seat ButtonsFClimate ControlsF
Accessory Power OutletsF
Adjustable Pedals SwitchF/Traction Control and StabiliTrak Button/Cargo Box Lamp Button
110V OutletFUSB PortsF
Low Tire Pressure (single rear wheel models only)
Door Ajar
Oil Pressure
Charging System
Safety Belt Reminder
Front and Rear Parking AssistF/Lane Departure WarningF/Hill Descent ControlF/Diesel Exhaust Brake (if equipped) Buttons
F Optional equipment *Screen measured diagonally
Note: Gasoline model shown

4
remote Keyless entry transmI tter (Key Fob)F
Door locKs
F Optional equipment
Door Locks
To lock or unlock all doors, press the power door Lock/ Unlock button, located on the front doors.
Note: To change the lock and unlock settings, go to Power Door Locks in the Vehicle Settings menu.
To open a locked door from inside, pull the inside door handle to unlock\
the door and then pull the door handle again to open the door.
To prevent passengers from opening a rear door (if equipped) from the \
inside or open-ing a rear window, press the Rear Door Security Lock/Rear Window Lockout button located on the driver’s door. The button indicator will illumi\
nate.
Locking Tailgate
To lock or unlock the tailgate, use the door key. The tailgate lock is located next to th\
e tailgate handle.
See Keys, Doors and Windows in your Owner Manual.
Unlock
Press to unlock the driver’s door. Press again to unlock all doors.
Lock
Press to lock all doors.
Vehicle Locator/Panic Alarm
Press and release to locate your vehicle. The turn signal lamps will flash and the horn will sound.
Press and hold to activate the alarm. The turn signal lamps will flash and the horn will sound until the button is pressed again or the ignition is turned on.
Note: To change the remote lock, unlock, and remote start settings, go to Remote Lock, Unlock, Start in the Vehicle Settings menu.
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.
• During a remote start, the engine will run for 10 minutes.
• Press and hold the button until the parking lamps turn off to cancel a remote start.
Note: If the remote start heated/cooled seat option is selected, the heated/cooled seat button indicators do not illuminate and the tem-perature performance of the unoccupied seat may be reduced during the remote start. The heated/cooled seat turns off when the ignition is turned on.
See Keys, Doors and Windows in your Owner Manual.

5
A. Seat Cushion Adjustment
Move the front horizontal control to move the seat forward or rearward, or to tilt, raise or lower the seat.
B. Seatback Adjustment
Move the vertical control to recline or raise the seatback.
C. Lumbar Adjustment
Move the rear control to adjust the lumbar support.
1. With the vehicle in Park, adjust the driver’s seat, power outside mirrors and adjustable pedalsF to the desired positions.
2. Press and release the SET button and then press and hold button 1 on the driver’s door until a beep sounds.
3. Repeat the steps using button 2 for a second driver.
Seat Adjustments
Set Memory Positions
Set Exit Position
1. Adjust the driver’s seat and adjustable pedalsF to the desired positions.
2. Press and release the SET button and then press and hold the Exit button on the driver’s door until a beep sounds.
Recall Positions
With the vehicle in Park and the ignition on, press and release button 1 or 2 or the Exit button to recall the stored position.
At any time, press and hold button 1 or 2 on the driver’s door until the stored position is reached. Releasing the button before the stored position is reached canc\
els the recall.
Note: To change the memory recall and exit settings, go to Comfort and Conveni\
ence in the Vehicle Settings menu.
See Seats and Restraints in your Owner Manual.
F Optional equipment
Power seatsF
HeaD restraI nts
To raise the head restraint, pull the head restraint up.
To lower the head restraint, press the button on top of the seatback and\
push the head restraint down.
To move the head restraint forwardF, pull the head restraint to the desired position.
To move the head restraint rearwardF, pull the head restraint fully forward until the
locking mechanism releases; then move it rearward to the desired position.
See Seats and Restraints in your Owner Manual.
ACB

6
lIgHtIng
Automatic Headlamp System
Rotate the knob to activate the exterior lights.
Off/On
AUTO Automatic Headlamp System
Automatically activates the Daytime Running Lamps (DRLs) or the headlamps and other exterior lamps depending on
outside light conditions.
Parking Lamps
Headlamps
Fog LampsF
Press to turn the fog lamps on or off.
Instrument Panel Brightness
Rotate the thumbwheel to adjust the
instrument panel lighting.
See Lighting in your Owner Manual.
Instrument Panel Lighting
Cargo Lamp
Cargo Box Lamp
With the vehicle in Park, press to turn the cargo lamp and under-rail pickup box lightsF on or off. The button indicator will illuminate when the lights are on.
See Instruments and Controls in your Owner Manual.
With the vehicle in Park, pull the lever (A) on the left side of the steering col-umn to adjust the tilt position of the steering wheel. The steering wheel can then be moved up or down. Release the lever to lock the steering wheel in place.
With the vehicle in Park, push down the leverF (B) closer to the instrument panel on the left side of the steering column to move the steering wheel in or out. Pull up the lever to lock the steering wheel in place.
See Instruments and Controls in your Owner Manual.
tIlt/ telescoPI ngF steerIng wH eel
F Optional equipment
B
A

7
DrIver In Format Ion center
The Driver Information Center (DIC) on the instrument cluster displays a variety of vehicle system information and warning messages.
3.5-inch* Driver Information Center
Menu Items
Turn the reset stem on the instrument cluster to scroll through the following menu items: Digital Speedometer, Trip Odometer, Fuel Range, Average Fuel Economy, Tire Pressure, Remaining Oil Life, Transmission Fluid Temperature, Trailer Brake, Hourmeter, and Units.
Reset an Item
Press the reset stem to set a menu item or clear a message. Press and hold the stem to reset a menu item.
4.2-inch* Driver Information CenterF
Use the control padF on the right side of the steering wheel to view the Info (includes the trip odometers and fuel information), Audio, Phone, Navigation, and Settings menus.
Menu Items
Press the or button to move between the display zones.
Press the or button to move through the menus.
Press to open a menu or select/deselect a setting.
Reset an Item
1. Use the control pad to display the item.
2. Press and hold to reset or clear the item.
See Instruments and Controls in your Owner Manual.
F Optional equipment *Screen measured diagonally

8
clImate controls
Recirculation Mode
Press Recirculation Mode to quickly cool the air inside the vehicle or prevent
outside odors from entering the vehicle.
Note: When the Recirculation Mode is used without air conditioning, the air humidity increases and the windows may fog.
See Climate Controls in your Owner Manual.
Defog Mode
Defrost Mode
Recirculation Mode
Floor ModeTEMP Temperature Control
Bi-level Mode
REAR Rear Window DefoggerF
Fan Speed Control/Off Vent Mode
A/C Air Conditioning Control
F Optional equipment