GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
OnStar 491
Connections
The following OnStar services help
with staying connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Ensuring Security
.Change the default passwords
for the Wi-Fi hotspot and
RemoteLink mobile application.
Make these passwords different
from each other and use a
combination of letters, numbers,
and symbols to increase the
security.
. Change the default name of the
SSID (Service Set Identifier).
This is your network’s name that
is visible to other wireless
devices. Choose a unique name
and avoid family names or
vehicle descriptions.
OnStar Wi-Fi
®Hotspot (If
Equipped)
The vehicle may have a built-in
Wi-Fi hotspot that provides access
to the Internet and web content at 4G LTE speed. Up to seven mobile
devices can be connected. A data
plan is required. Use the in-vehicle
controls only when it is safe to
do so.
1. To retrieve Wi-Fi hotspot information, press
=, wait for
the prompt, then say “Wi-Fi
settings.” On some vehicles,
touch Wi-Fi Settings on the
screen.
2. The Wi-Fi settings will display the Wi-Fi hotspot name (SSID),
password, and on some
vehicles, the connection type
(no Internet connection, 3G,
4G, 4G LTE), and signal quality
(poor, good, excellent).
3. To change the SSID or password, press
Qor call
1-888-4ONSTAR to connect
with an Advisor.
After initial set-up, your vehicle’s
Wi-Fi hotspot will connect
automatically to your mobile
devices. Manage data usage by
turning Wi-Fi on or off on your mobile device, using the
RemoteLink mobile app, or by
contacting an OnStar Advisor.
OnStar RemoteLink
®Mobile App
(If Equipped)
Download the OnStar RemoteLink
mobile app to select Apple
®iOS,
Android™, BlackBerry®,
or Windows®mobile devices.
OnStar Subscribers can access the
following services from a mobile
device:
. Remotely start/stop the vehicle,
if factory-equipped.
. Lock/unlock doors, if equipped
with automatic locks.
. Activate the horn and lamps.
. Check the vehicle’s fuel level, oil
life, or tire pressure,
if factory-equipped with the Tire
Pressure Monitor System.
. Send directions to the vehicle.
. Locate the vehicle on a map
(U.S. market only).
GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
502 Index
Entry Lighting . . . . . . . . . . . . . . . . . . . 186
Equipment, Towing . . . . . . . . . . . . . 340
Event Data Recorders . . . . . . . . . . 486
Exit Lighting . . . . . . . . . . . . . . . . . . . . 186
Extender, Safety Belt . . . . . . . . . . . . 71
Exterior Lamp Controls . . . . . . . . . 178
Exterior Lamps Off Reminder . . . 180
F
FanEngine . . . . . . . . . . . . . . . . . . . . . . . . 378
Fast Idle System . . . . . . . . . . . . . . . . 276
Features
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter, Engine Air Cleaner . . . . . . . . . . . 371
Fixed Mast Antenna . . . . . . . . . . . . 203
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 181
Flashers, Hazard Warning . . . . . . 182
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 423 Changing . . . . . . . . . . . . . . . . . . . . . 425
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Floor Console Storage . . . . . . . . . . 121
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 452
Fluid AutomaticTransmission . . . . . . . . . . . 368, 371
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 381 Fluid (cont'd)
Four-Wheel Drive
Transfer Case . . . . . . . . . . . . . . . 289
Power Steering . . . . . . . . . . . . . . . 379
Washer . . . . . . . . . . . . . . . . . . . . . . . 380
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 183
Folding Mirrors . . . . . . . . . . . . . . . . . . 48
Forward Automatic Braking . . . . . 310
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 308
Four-Wheel Drive . . . . . . . . . . 289, 383
Four-Wheel-Drive Light . . . . . . . . . 147
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 484
Front Axle . . . . . . . . . . . . . . . . . . . . . . 384
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Front Seats
Adjustment . . . . . . . . . . . . . . . . . . . . . 57
Heated and Ventilated . . . . . . . . . . 62
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 Additives . . . . . . . . . . . . . . . . . . . . . 316
Economy Driving . . . . . . . . . . . . . . . 31
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 319
Filling the Tank . . . . . . . . . . . . . . . 317
Foreign Countries . . . . . . . . . . . . 316
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 136 Fuel (cont'd)
Low Fuel Warning Light . . . . . . . 150
Management, Active . . . . . . . . . . 281
Requirements, California . . . . . 316
System Messages . . . . . . . . . . . . 160
Full-Size Spare Tire . . . . . . . . . . . . 434
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 393 Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 393
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . 396, 398
G
Garage Door Opener . . . . . . . . . . . 174Programming . . . . . . . . . . . . . . . . . 174
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . 138
Engine Oil Pressure . . . . . . . . . . 137
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Odometer . . . . . . . . . . . . . . . . . . . . . 136
Speedometer . . . . . . . . . . . . . . . . . 136
Tachometer . . . . . . . . . . . . . . . . . . . 136
Transmission Temperature . . . . 139
Trip Odometer . . . . . . . . . . . . . . . . 136
Voltmeter . . . . . . . . . . . . . . . . . . . . . 139
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 131
GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
504 Index
Lamps (cont'd)Exterior Controls . . . . . . . . . . . . . . 178
Exterior Lamps Off
Reminder . . . . . . . . . . . . . . . . . . . 180
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . 144
Messages . . . . . . . . . . . . . . . . . . . . 160
On Reminder . . . . . . . . . . . . . . . . . 151
Reading . . . . . . . . . . . . . . . . . . . . . . 185
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 312
Lane Departure Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Lane Keep Assist (LKA) . . . . . . . . 313
Lane Keep Assist Light . . . . . . . . . 148
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . . 71
Lap-Shoulder Belt . . . . . . . . . . . . . . . 67
LATCH System
Replacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . 106
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 95
LED Lighting . . . . . . . . . . . . . . . . . . . . 390
Light
Hill Descent Control . . . . . . . . . . 147
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 186
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 Lighting (cont'd)
Illumination Control . . . . . . . . . . . 184
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Lights . . . . . . . . . . . . . . . . . . . . . . 147, 148
Airbag On-Off . . . . . . . . . . . . . . . . . 141
Airbag Readiness . . . . . . . . . . . . . 141
Antilock Brake System(ABS) Warning . . . . . . . . . . . . . . 146
Brake System Warning . . . . . . . 145
Charging System . . . . . . . . . . . . . 143
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 144
Cruise Control . . . . . . . . . . . . . . . . 152
Door Ajar . . . . . . . . . . . . . . . . . . . . . 152
Engine Coolant Temperature Warning . . . . . . . 149
Engine Oil Pressure . . . . . . . . . . 150
Flash-to-Pass . . . . . . . . . . . . . . . . . 181
Four-Wheel-Drive . . . . . . . . . . . . . 147
Front Fog Lamp . . . . . . . . . . . . . . 151
High-Beam On . . . . . . . . . . . . . . . . 151
High/Low Beam Changer . . . . . 180
Lane Departure Warning . . . . . . 147
Low Fuel Warning . . . . . . . . . . . . 150
Safety Belt Reminders . . . . . . . . 140
Security . . . . . . . . . . . . . . . . . . . . . . 151
StabiliTrak
®OFF . . . . . . . . . . . . . 148
Tire Pressure . . . . . . . . . . . . . . . . . 150 Lights (cont'd)
Tow/Haul Mode . . . . . . . . . . . . . . . 147
Traction Control System
(TCS)/StabiliTrak
®. . . . . . . . . . 149
Traction Off . . . . . . . . . . . . . . . . . . . 148
Locking Rear Axle . . . . . . . . . . . . . . 302
Locks Automatic Door . . . . . . . . . . . . . . . . . 40
Delayed Locking . . . . . . . . . . . . . . . . 40
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Lockout Protection . . . . . . . . . . . . . . 41
Power Door . . . . . . . . . . . . . . . . . . . . . 40
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Loss of Control . . . . . . . . . . . . . . . . . 256
Low Fuel Warning Light . . . . . . . . . 150
Low-Profile Tires . . . . . . . . . . . . . . . . 402
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 95
Lumbar Adjustment . . . . . . . . . . . . . . 58 Front Seats . . . . . . . . . . . . . . . . . . . . . 58
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 468
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 461
Maintenance Schedule . . . . . . . . . 455