GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
494 OnStar
to the vehicle in a crash, or wireless
phone network congestion or
jamming—may prevent service.
See Radio Frequency Statement
0 484.
Services for People with
Disabilities
Advisors provide services to help
Subscribers with physical disabilities
and medical conditions.
Press
Qto help:
. Locate a gas station with an
attendant to pump gas.
. Find a hotel, restaurant, etc.,
that meets accessibility needs.
. Provide directions to the closest
hospital or pharmacy in urgent
situations.
TTY Users
OnStar has the ability to
communicate to deaf,
hard-of-hearing, or speech-impaired
customers while in the vehicle. The
available dealer-installed TTY
system can provide in-vehicle access to all OnStar services,
except Virtual Advisor and OnStar
Turn-by-Turn Navigation.
OnStar Personal Identification
Number (PIN)
A PIN is needed to access some
OnStar services. The PIN will need
to be changed the first time when
speaking with an Advisor. To
change the OnStar PIN, contact an
OnStar Advisor by pressing
Qor
calling 1-888-4ONSTAR.
Warranty
OnStar equipment may be
warranted as part of the vehicle
warranty.
Languages
The vehicle can be programmed to
respond in multiple languages.
Press
Qand ask for an Advisor.
Advisors are available in English,
Spanish, and French. Available
languages may vary by country.
Potential Issues
OnStar cannot perform Remote
Door Unlock or Stolen Vehicle
Assistance after the vehicle has
been off continuously for 10 days
without an ignition cycle. If the
vehicle has not been started for
five days, OnStar can contact
Roadside Assistance or a locksmith
to help gain access to the vehicle.
Global Positioning
System (GPS)
. Obstruction of the GPS can
occur in a large city with tall
buildings; in parking garages;
around airports; in tunnels and
underpasses; or in an area with
very dense trees. If GPS signals
are not available, the OnStar
system should still operate to
call OnStar. However, OnStar
could have difficulty identifying
the exact location.
. In emergency situations, OnStar
can use the last stored GPS
location to send to emergency
responders.
GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
OnStar 495
A temporary loss of GPS can cause
loss of the ability to send a
Turn-by-Turn Navigation route. The
Advisor may give a verbal route or
may ask for a call back after the
vehicle is driven into an open area.
Cellular and GPS Antennas
Cellular reception is required for
OnStar to send remote signals to
the vehicle. Do not place items over
or near the antenna to prevent
blocking cellular and GPS signal
reception.
Unable to Connect to OnStar
Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Press
Qto try the
call again or try again after driving a
few miles into another cellular area.
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service,
and GPS satellite technologies to be
available and operating for features to function properly. These systems
may not operate if the battery is
discharged or disconnected.
Add-on Electrical Equipment
The OnStar system is integrated
into the electrical architecture of the
vehicle. Do not add any electrical
equipment. See
Add-On Electrical
Equipment 0350. Added electrical
equipment may interfere with the
operation of the OnStar system and
cause it to not operate.
Vehicle Software Updates
OnStar or GM may remotely deliver
software updates or changes to the
vehicle without further notice or
consent. These updates or changes
may enhance or maintain safety,
security, or the operation of the
vehicle or the vehicle systems.
Software updates or changes may
affect or erase data or settings that
are stored in the vehicle, such as
OnStar Hands-Free Calling name
tags, saved navigation destinations,
or pre-set radio stations. Neither
OnStar nor GM is responsible for
any affected or erased data or settings. These updates or changes
may also collect personal
information. Such collection is
described in the OnStar privacy
statement or separately disclosed at
the time of installation. These
updates or changes may also cause
a system to automatically
communicate with GM servers to
collect information about vehicle
system status, identify whether
updates or changes are available,
or deliver updates or changes. An
active OnStar agreement constitutes
consent to these software updates
or changes and agreement that
either OnStar or GM may remotely
deliver them to the vehicle.
Privacy
The complete OnStar Privacy
Statement may be found at
www.onstar.com (U.S.),
or www.onstar.ca (Canada). We
recommend that you review it. If you
have any questions, call
1-888-4ONSTAR (1-888-466-7827)
or press
Qto speak with an
Advisor. Users of wireless
communications are cautioned that
GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
Index 505
Maintenance Schedule (cont'd)Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . 464
Transfer Case . . . . . . . . . . . . . . . . 289
Malfunction Indicator Lamp . . . . . 144
Manual Mirrors . . . . . . . . . . . . . . . . . . 46
Manual Mode . . . . . . . . . . . . . . . . . . . 286
Manual Windows . . . . . . . . . . . . . . . . 51
Memory Features . . . . . . . . . . . . . . . . 12
Memory Seats . . . . . . . . . . . . . . . . . . . 60
Messages Airbag System . . . . . . . . . . . . . . . . 162
Battery Voltage andCharging . . . . . . . . . . . . . . . . . . . . 157
Brake System . . . . . . . . . . . . . . . . 158
Compass . . . . . . . . . . . . . . . . . . . . . 158
Door Ajar . . . . . . . . . . . . . . . . . . . . . 158
Engine Cooling System . . . . . . . 159
Engine Oil . . . . . . . . . . . . . . . . . . . . 159
Engine Power . . . . . . . . . . . . . . . . 160
Fuel System . . . . . . . . . . . . . . . . . . 160
Key and Lock . . . . . . . . . . . . . . . . . 160
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 160
Object Detection System . . . . . 161
Ride Control System . . . . . . . . . . 161
Safety Belt . . . . . . . . . . . . . . . . . . . . 163
Security . . . . . . . . . . . . . . . . . . . . . . 163
Steering System . . . . . . . . . . . . . . 163 Messages (cont'd)
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Transmission . . . . . . . . . . . . . . . . . 164
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 157
Vehicle Reminder . . . . . . . . . . . . . 166
Vehicle Speed . . . . . . . . . . . . . . . . 167
Washer Fluid . . . . . . . . . . . . . . . . . 167
Mirrors Automatic Dimming . . . . . . . . . . . . . 49
Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . . . 50
Blind Spot . . . . . . . . . . . . . . . . . . . . . . 49
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 46
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 48
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 48
Manual . . . . . . . . . . . . . . . . . . . . . . . . . 46
Manual Rearview . . . . . . . . . . . . . . . 50
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Tilt in Reverse . . . . . . . . . . . . . . . . . . 50
Trailer Tow . . . . . . . . . . . . . . . . . . . . . . 46
Mirrors, Interior Rearview . . . . . . . . 50
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 410
Multi-band Antenna . . . . . . . . . . . . . 203N
Navigation OnStar®. . . . . . . . . . . . . . . . . . . . . . 490
New Vehicle Break-In . . . . . . . . . . . 273
Noise Control System . . . . . . . . . . 386
O
Object Detection System Messages . . . . . . . . . . . . . . . . . . . . . 161
Odometer . . . . . . . . . . . . . . . . . . . . . . . 136 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 257 Driving . . . . . . . . . . . . . . . . . . . . . . . . 257
Recovery . . . . . . . . . . . . . . . . . . . . . 256
Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . 364
Engine Oil Life System . . . . . . . 367
Engine Oil Pressure Gauge . . . 137
Messages . . . . . . . . . . . . . . . . . . . . 159
Pressure Light . . . . . . . . . . . . . . . . 150
Older Children, Restraints . . . . . . . 87
Online Owner Center . . . . . . . . . . . 477
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 486
OnStar
®Additional
Information . . . . . . . . . . . . . . . . . . . . 493
OnStar
®Connections . . . . . . . . . . . 491
OnStar®Diagnostics . . . . . . . . . . . . 492
OnStar®Emergency . . . . . . . . . . . . 489
OnStar®Navigation . . . . . . . . . . . . . 490