2018 GMC SIERRA cruise control

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Audio Next/Previous Favorite Station Controls (behind steering wheel)
Cruise Control/ Collision AlertF/Heated Steering WheelF Buttons
Power Mirror Control/Door Lock Switch/Window Buttons
Audio Volume Controls (behind steering wheel)
Voice Recognition Buttons/ Customizable Driver Display Controls
Tilt Steering Wheel Lever
Telescoping Steering Wheel Control
Memory Seat Controls
Instrument Panel Illumination Control/Exterior Lamp Control4WD ControlFTow/Haul ButtonCustomizable Driver Display
Turn Signal/Windshield Wipers Lever
Integrated Trailer Brake ControlF
INSTRUMENT PANEL
Low Fuel
Traction Control Off
Engine Coolant Temperature
Brake System
Cruise Control Set
Forward Collision Alert
StabiliTrak Active
StabiliTrak Off
Security
Tow/Haul Mode
Hill Descent Control
Lights On Reminder
Airbag Readiness
Check Engine
Symbols

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CRUISE CONTROL
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 instru-ment 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 me\
mory.
Pressing the brake pedal also will cancel the cruise control.
The set speed is erased when cruise control or the vehicle ignition is t\
urned off.
See Driving and Operating in your Owner’s Manual.
TRI-MODE POWER STEPSF (LD MODELS ONLY)
The Tri-Mode Power Steps extend or retract when the door is opened or cl\
osed.
To enable/disable the operation of the Tri-Mode Power Steps, press and h\
old the switch on the center of the instrument panel for 4 seconds.
Extend the Steps
With the vehicle in Park or Neutral:
Press the switch on the center of the instrument panel to fully extend both steps\
.
Press the switch again to extend the steps to the tire. The kick switch is disabl\
ed when using the instrument panel switch.
Press the switch again to retract the steps.
Kick Switch
With the vehicle in Park and the doors unlocked, kick the switch on the \
rear end of the step to extend the step to the tire. Kick the switch again to retract the step.
See Keys, Doors and Windows in your Owner’s Manual.
F Optional equipment

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DRIVER ASSISTANCE SYSTEMS
F Optional equipment
Hill Descent Control sets and maintains vehicle speed from 2–14 mph w\
hile 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 Descent Contro\
l symbol will
illuminate on the instrument cluster.
2. Increase or decrease speed by applying the accelerator or brake pedal or\
use the Cruise Control +/– buttons on the steering wheel. The 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’s Manual.
HILL DESCENT CONTROL
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 auto-matically every time the vehicle is started.
Turn off traction control if the vehicle is stuck and rocking the vehicl\
e 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’s Manual.
TRACTION CONTROL AND STABILITRAK SYSTEMS
DIESEL EXHAUST BRAKE (DIESEL MODELS ONLY)
The engine exhaust brake enhances the vehicle brake system by automatica\
lly downshifting the transmission, depending on the length of time the brakes are applied.
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’s Manual.
Front and/or Rear Parking Assist
During low-speed parking maneuvers, the system provides “distance to \
closest object”
information on the Driver Information Center and the Safety Alert Seat p\
ulses or a beep sounds (if selected). When an object is very close, the Safety Alert Seat pul\
ses 5 times or beeps sound (if selected).
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’s Manual.