2015 GMC SIERRA instrument panel

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

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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

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DrIver assIstance systems
The driver assistance systems use advanced technologies to help avoid collisions by
providing visual and audible alerts under some imminent collision conditions.
Forward Collision AlertF – When approaching a vehicle directly ahead too quickly, the system flashes a visual alert and pulses the Safety Alert SeatF. See Safety Alert Seat.
The Vehicle Ahead indicator will illuminate in green on the instrument cluster when a vehicle is detected and will illuminate in amber when following a vehicle ahead too closely. If your vehicle approaches another vehicle too rapidly, the will flash, six red lights will flash on the windshield and the Safety Alert SeatF will pulse. See Safety Alert Seat.
Press the Collision Alert button on the left side of the steering wheel to set the alert sensitivity to Far, Medium, Near, or Off. The setting is displayed in the Driver Information Center.
Lane Departure WarningF – When crossing a detected lane marking without using a turn signal, the system flashes an amber visual alert on the instrument cluster and pulses the left or right side of the Safety Alert SeatF. See Safety Alert Seat.
Press the Lane Departure Warning button on the center of the instrument panel to turn the system on or off.
Safety Alert SeatF – The driver’s seat pulses, left side, right side, or simultaneously, to alert the driver of potential hazards.
Audible notification may be selected instead of Safety Alert Seat pulsing notification. To change the alert
setting, go to Settings > Vehicle > Collision/Detection > Alert Type.
Rear Vision CameraF – Provides a view directly behind the vehicle when backing up.
To turn the Rear Vision Camera Guidelines or Rear Park Assist Symbols on or off, go to Settings > Rear Camera.
Front and/or Rear Parking AssistF – During low-speed parking maneuvers, the system provides “distance to
closest object” information in the Driver Information Center and a caution symbol on the Rear Vision Camera display. When the vehicle should be stopped immediately to avoid a collision, a continuous audible tone sounds or the Safety Alert Seat pulses. See Safety Alert Seat.
To turn the system on or off, press the Parking Assist button on the center of the instrument panel.
See Driving and Operating in your Owner Manual.
F Optional equipment

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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.

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Hill Descent Control sets and maintains vehicle speed from 2–14 mph while descending a steep incline in a forward or reverse gear.
1. Press the Hill Descent Control button on the center of the instrument panel. Vehicle speed must be below 31 mph to enable the system. The Hill Descen\
t Control symbol will illuminate on the instrument cluster.
2. Increase or decrease speed by applying the accelerator or brake pedal. T\
he adjusted speed becomes the new set speed. The symbol flashes when the system is actively applying the brakes to maintain vehicle speed.
See Driving and Operating in your Owner Manual.
HIll Descent controlF (z71)
The traction control system limits wheelspin and the StabiliTrak® stability control system assists with directional control of the vehicle in difficult
driving conditions. Both systems turn 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/StabiliTrak Off button on the center of the instrument panel to turn traction control off or back on. The Traction Control Off light will illuminate on the instrument cluster when the system is off.
See Driving and Operating in your Owner Manual.
tractIon control anD stab IlItraK systems
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. The proper tire pressures for the vehicle are listed on the T\
ire and Loading Information label, located below the driver’s door latch. Current tire pressures can be viewed in the Driver Information Center.
Tire pressure is affected by cold weather and distance driven. If the low tire pressure warn-ing light illuminates when the vehicle is first started in cooler temperatures and then turns off as the vehicle is driven, check for the proper tire pressures.
Refer to your Owner Manual for additional information about normal monthly tire maintenance.
See Vehicle Care in your Owner Manual.
tIre Pressure mon Itor (Single Rear Wheel Models Only)
F Optional equipment