maintenance GMC SIERRA 2015 Get To Know Guide

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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

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The myGMC mobile app connects owners to a variety of vehicle
info rmation and services, such as a searchable Owner Manual, real-time fuel information and Roadside Assistance.
OnStar RemoteLink Key Fob Services include Remote Start, Remote Door Lock and Remote Horn and Lights (on equipped vehicles). Services are available for five years from date of vehicle delivery. To learn more about OnStar
services, press the OnStar button, refer to your Owner Manual, call 1-888-466-7827\
or visit onstar.com.
Download the mobile apps from your compatible mobile device’s app store.
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roaDsIDe assIstance
1-800-GMC-8782 TTY Users: 1-888-889-2438(1-800-462-8782)
As the owner of a new GMC, you are automatically enrolled in the GMC Roa\
dside Assistance program for up to 5 years/100,000 miles, whichever occurs first, at no expense to you. GMC’s Roadside Assistance toll-free number is staffed by a te\
am of trained advisors who are available 24 hours a day, 365 days a year, to contact a service \
provider for light services (fuel delivery, jump-starts, flat tire and lock-outs) or make arrangements to tow your vehicle to the nearest GMC dealer for any repairs.
Roadside Assistance and OnStar®
If you require roadside service and have a current OnStar subscription, \
press the OnStar button and the vehicle will send your current GPS location to an OnStar \
Advisor who will speak to you, assess your problem, contact Roadside Assistance and relay\
your exact
location so you will get the help you need.
gmc owner center
The GMC Owner Center, a complimentary service for GMC owners, is a one-s\
top resource designed to enhance your GMC ownership experience. Exclusive member benefits include online service reminders, vehicle maintenance tips, online owner manual,\
special privileges and more. Sign up today at my.gmc.com.
Certain restrictions, precautions and safety procedures apply to your ve\
hicle. Please read your Owner Manual for complete instructions. All information contained herein is based on the latest information available at the time of printing and is subject to change without notice. Copyright 2014 by Gene\
ral Motors. All rights reserved.
We recommend always using ACDelco or genuine GM service parts.
mygmc & onstar remotelInK® Key Fob servIces