brake GMC SIERRA HD 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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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

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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

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veHIcle PersonalIzatIon
cruIse control
F Optional equipment
Changing Vehicle Settings
The Vehicle Settings menu may include Climate and Air Quality, Collision/Detection Systems, Comfort and Convenience, Lighting, Power Door Locks, and Remote Lock/Unlock/Start.
Use the MENU knob or the touch screen to:
1. Select Settings on the home page.
2. Select Vehicle.
3. Select the desired menu item.
4. Select the desired feature and setting. Settings are saved automatically.
5. Select BACK to exit each menu.
See Instruments and Controls in your Owner Manual.
Some vehicle features can be customized using the audio controls and menus or the touch screen buttonsF.
Setting Cruise Control
1. Press the On/Off button. The Cruise Control symbol will illuminate in white on the instrument cluster.
2. When traveling at the desired speed, press the SET– button to set the speed. The symbol will illuminate in green on the instrument cluster.

Adjusting Cruise Control
RES+ Resume/Accelerate
Press to resume a set speed.
When the system is active, press once to increase speed 1 mph; press and hold to continue increasing the speed.
SET– Set/Coast
When the system is active, press once to decrease speed 1 mph; press and hold to continue decreasing the speed.
Cancel
Press to cancel the cruise control without erasing the set speed from memory.
Pressing the brake pedal also will cancel the cruise control.
The cruise control set speed is erased when cruise control or the vehicle ignition is turned off.
See Driving and Operating in your Owner Manual.

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automatIc transmIssIon
IntegrateD traI ler braKe control (Itbc)
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.
Slide the lever to the left on the control panel to manually apply the t\
railer 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