2017 BUICK LACROSSE Owner's Manual

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
328 OnStar
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).
. Turn the vehicle's Wi-Fi hotspot
on/off, manage settings, and
monitor data consumption,
if equipped.
For OnStar RemoteLink information
and compatibility, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Remote Services
Contact an OnStar Advisor to
unlock the doors or sound the horn
and flash the lamps.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
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OnStar 329
OnStar AtYourService
OnStar Advisors can provide offers
from restaurants and retailers on
your route, help locate hotels,
or book a room. These services
vary by market.
OnStar Hands-Free Calling
Make and receive calls with the
built-in wireless calling service,
which requires available minutes.
Make a Call1. Press
=. System responds:
“OnStar ready.”
2. Say “Call.”System responds:
“Call. Please say the name or
number to call.”
3. Say the entire number without pausing, including a “1”and the
area code. System responds:
“OK, calling.”
Calling 911 Emergency
1. Press=. System responds:
“OnStar ready.” 2. Say
“Call.”System responds:
“Call. Please say the name or
number to call.”
3. Say “911”without pausing.
System responds: “911.”
4. Say “Call.”System responds:
“OK, dialing 911.”
Retrieve My Number
1. Press=. System responds:
“OnStar ready.”
2. Say “My number.” System
responds: “Your OnStar
Hands-Free Calling number is,”
then says the number.
End a Call
Press=. System responds: “Call
ended.”
Verify Minutes and Expiration
Press=and say “Minutes” then
“Verify” to check how many minutes
remain and their expiration date.
Diagnostics
Advanced Diagnostics provides a
status of the vehicle’ s key systems
with a monthly e-mail, or by
pressing
Q. If equipped, Diagnostic
Alerts can be received in real-time
via e-mail or text. The Proactive
Alerts feature (if available) can help
predict and alert of potential
upcoming maintenance issues with
select components on the vehicle,
before they become a problem.
OnStar can also monitor and report
tire pressure, if the vehicle is
equipped with a Tire Pressure
Monitoring System.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
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330 OnStar
OnStar Additional
Information
In-Vehicle Audio Messages
Audio messages may play important
information at the following times:
.Prior to vehicle purchase.
Press
Qto set up an account.
. With the OnStar Basic Plan,
every 60 days.
. After change in ownership and
at 90 days.
Transferring Service
PressQto request account transfer
eligibility information. The Advisor
can cancel or change account
information.
Selling/Transferring the
Vehicle
Call 1-888-4ONSTAR
(1-888-466-7827) immediately to
terminate your OnStar services if
the vehicle is disposed of, sold,
transferred, or if the lease ends.
Reactivation for Subsequent
Owners
PressQand follow the prompts to
speak to an Advisor as soon as
possible. The Advisor will update
vehicle records and explain OnStar
service options.
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance,
Advanced Vehicle Diagnostics,
Remote Services, Roadside
Assistance, Turn-by-Turn
Navigation, and Hands-Free Calling
are available on most vehicles. Not
all OnStar services are available
everywhere or on all vehicles. For
more information, a full description
of OnStar services, system
limitations, and OnStar User Terms,
Privacy Statement, and Software
Terms:
. Call 1-888-4ONSTAR
(1-888-466-7827).
. See www.onstar.com (U.S.).
. See www.onstar.ca (Canada). .
Call TTY 1-877-248-2080.
. Press
Qto speak with an
Advisor.
OnStar services cannot work unless
the vehicle is in a place where
OnStar has an agreement with a
wireless service provider for service
in that area. The wireless service
provider must also have coverage,
network capacity, reception, and
technology compatible with OnStar
services. Service involving location
information about the vehicle cannot
work unless GPS signals are
available, unobstructed, and
compatible with the OnStar
hardware. OnStar services may not
work if the OnStar equipment is not
properly installed or it has not been
properly maintained. If equipment or
software is added, connected,
or modified, OnStar services may
not work. Other problems beyond
the control of OnStar —such as
hills, tall buildings, tunnels, weather,
electrical system design and
architecture of the vehicle, damage

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
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OnStar 331
to the vehicle in a crash, or wireless
phone network congestion or
jamming—may prevent service.
See Radio Frequency Statement
0 321.
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.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
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332 OnStar
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 0225. 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

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
OnStar 333
the privacy of any information sent
via wireless cellular communications
cannot be assured. Third parties
may unlawfully intercept or access
transmissions and private
communications without consent.
OnStar - Software
Acknowledgements
Certain OnStar components include
libcurl and unzip software and other
third party software. Below are the
notices and licenses associated with
libcurl and unzip and for other third
party software please see http://
www.lg.com/global/support/
opensource/index and https://
www.onstar.com/us/en/support/
getdocuments.html
libcurl:
COPYRIGHT AND PERMISSION
NOTICE
Copyright (c) 1996 - 2010, Daniel
Stenberg, .
All rights reserved.
Permission to use, copy, modify,
and distribute this software for any
purpose with or without fee ishereby granted, provided that the
above copyright notice and this
permission notice appear in all
copies.
THE SOFTWARE IS PROVIDED
“AS IS,”
WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE
AND NONINFRINGEMENT OF
THIRD PARTY RIGHTS. IN NO
EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF
CONTRACT, TORT OR
OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN
THE SOFTWARE.
Except as contained in this notice,
the name of a copyright holder shall
not be used in advertising or
otherwise to promote the sale, use or other dealings in this Software
without prior written authorization of
the copyright holder.
unzip:
This is version 2005-Feb-10 of the
Info-ZIP copyright and license. The
definitive version of this document
should be available at ftp://
ftp.info-zip.org/pub/infozip/
license.html indefinitely.
Copyright (c) 1990-2005 Info-ZIP. All
rights reserved.
For the purposes of this copyright
and license,
“Info-ZIP”is defined as
the following set of individuals:
Mark Adler, John Bush, Karl Davis,
Harald Denker, Jean-Michel Dubois,
Jean-loup Gailly, Hunter Goatley, Ed
Gordon, Ian Gorman, Chris
Herborth, Dirk Haase, Greg Hartwig,
Robert Heath, Jonathan Hudson,
Paul Kienitz, David Kirschbaum,
Johnny Lee, Onno van der Linden,
Igor Mandrichenko, Steve P. Miller,
Sergio Monesi, Keith Owens,
George Petrov, Greg Roelofs, Kai
Uwe Rommel, Steve Salisbury,
Dave Smith, Steven M. Schweda,

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
334 OnStar
Christian Spieler, Cosmin Truta,
Antoine Verheijen, Paul von Behren,
Rich Wales, Mike White.
This software is provided“as is,”
without warranty of any kind,
express or implied. In no event shall
Info-ZIP or its contributors be held
liable for any direct, indirect,
incidental, special or consequential
damages arising out of the use of or
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Permission is granted to anyone to
use this software for any purpose,
including commercial applications,
and to alter it and redistribute it
freely, subject to the following
restrictions:
1. Redistributions of source code must retain the above copyright
notice, definition, disclaimer,
and this list of conditions.
2. Redistributions in binary form (compiled executables) must
reproduce the above copyright
notice, definition, disclaimer,
and this list of conditions in
documentation and/or other
materials provided with the
distribution. The sole exception to this condition is redistribution
of a standard UnZipSFX binary
(including SFXWiz) as part of a
self-extracting archive; that is
permitted without inclusion of
this license, as long as the
normal SFX banner has not
been removed from the binary
or disabled.
3. Altered versions–including, but not limited to, ports to new
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ports with new graphical
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Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
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Index 335
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 228
Accessory Power . . . . . . . . . . . . . . . 178
Adaptive Cruise Control . . . . . . . . 194
Adaptive Forward Lighting (AFL) . . . . . . . . . . . . . . . . . 150
Adaptive Forward Lighting (AFL) Light . . . . . . . . . . . . . . . . . . . . 121
Add-On Electrical Equipment . . . 225
Additional Information
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 330
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 302
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 52
Air Cleaner/Filter, Engine . . . . . . . 235
Air Conditioning . . . . . . . . . . . . . . . . 156
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 161
Air Intake . . . . . . . . . . . . . . . . . . . . . . . 161
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 160
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 77
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 70
Passenger Sensing System . . . . 72 Airbag System (cont'd)
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 70
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 70
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 69
Where Are the Airbags? . . . . . . . . 67
Airbags
Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 76
Passenger Status Indicator . . . .113
Readiness Light . . . . . . . . . . . . . . .113
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 76
System Check . . . . . . . . . . . . . . . . . . 66
Alarm Vehicle Security . . . . . . . . . . . . . . . . 40
Alert Lane Change . . . . . . . . . . . . . . . . . 213
Side Blind Zone (SBZA) . . . . . . 212
All-Season Tires . . . . . . . . . . . . . . . . 255
All-Wheel Drive . . . . . . . . . . . . 186, 244
Antilock Brake System (ABS) . . . 186 Warning Light . . . . . . . . . . . . . . . . . .117
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 286
Interior . . . . . . . . . . . . . . . . . . . . . . . . 291