engine GMC SIERRA 2015 Get To Know Guide

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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

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remote Keyless entry transmI tter (Key Fob)F
Door locKs
Power mIrrorsF
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.
See Keys, Doors and Windows in your Owner Manual.
Power Mirror Adjustment
Press the Power Mirror Selector switch to select the driver’s or passenger’s
mirror; use the four-way control to adjust the mirror.
Power Folding Mirror
Press the Power Folding Mirror button to fold or unfold the mirrors.
See Keys, Doors and Windows in your Owner Manual.
Unlock
Press to unlock the driver’s door. Press again to unlock all doors. Press and hold to lower all windows.
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.

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automatIc transmIssIon
IntegrateD traI ler braKe control (Itbc)F
DIesel ex Haust braKe (Diesel Models Only)
F Optional equipment
Range Selection Mode
Range Selection Mode allows the driver to select the range of gears desired for the current driving conditions.
1. Move the shift lever to the Manual (M) position.
2. Press the + (plus) or – (minus) button on the shift lever to select a lower or higher gear. An M and the current gear will be displayed on the Driver Information Center.
The transmission will be limited to the gear selected and lower gears. If vehicle speed is too high or too low for the requested gear, the shift will not occur.
Tow/Haul Mode
The Tow/Haul Mode adjusts the transmission shifts to reduce shift cycling, such as when towing or hauling heavy loads or driving on steep grades.
Press the Tow/Haul Mode button on the end of the shift lever to turn the system on or off.
See Driving and Operating in your Owner Manual.
The ITBC system can be used to adjust the amount of power output, or Trailer Gain, available to the trailer brakes. The control panel is located on the left side of the instrument panel. ITBC information is displayed on the Driver Information Center.
Adjust the Trailer Gain by pressing the +/– adjustment buttons on the control panel.
Squeeze the levers together on the control panel (left lever does not m\
ove) to manually apply the trailer brakes.See Driving and Operating in your Owner Manual.
The engine exhaust brake enhances the vehicle brake system by using engine braking and auto-matically downshifting the transmission, depending on the length of time the brakes are applied, to help slow the vehicle on downhill grades.
Press the Diesel Exhaust Brake button on the center of the instrument panel to turn the system on or off.
See your Duramax Diesel Owner Manual.