2019 BUICK LACROSSE light

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . 2
In Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Keys, Doors, and Windows . . . . . 28
Seats and Restraints . . . . . . . . . . . 52
Storage . . . . . . . . . . . . . . . . . . . . . . . 102
Instruments and Controls . . . . . . 105
Lighting . . . . . . . . . . . . . . . . . . . . . . . 149
Infotainment System . . . . . . . . . . 156
Climate Controls . . . . . . . . . . . . . . 157
Driving and Operating . . . . . . . . . 164
Vehicle Care . . . . . . . . . . . . . . . . . . 234
Service and Maintenance . . . . . 318
Technical Data . . . . . . . . . . . . . . . . 332
Customer Information . . . . . . . . . 335
Reporting Safety Defects . . . . . . 345
OnStar . . . . . . . . . . . . . . . . . . . . . . . . 349
Connected Services . . . . . . . . . . . 357
Index . . . . . . . . . . . . . . . . . . . . 361

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
Introduction 3
{Danger
Danger indicates a hazard with a
high level of risk which will result
in serious injury or death.
{Warning
Warning indicates a hazard that
could result in injury or death.
Caution
Caution indicates a hazard that
could result in property or vehicle
damage.
A circle with a slash through it is a
safety symbol which means“Do
Not,” “Do not do this,” or“Do not let
this happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message,
gauge, or indicator.
M: Shown when the owner ’s
manual has additional instructions
or information.
*: Shown when the service
manual has additional instructions
or information.
0: Shown when there is more
information on another page —
“see page.” Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. See the
features in this manual for
information.
u:
Air Conditioning System
G:Air Conditioning Refrigerant Oil
9:Airbag Readiness Light
!:Antilock Brake System (ABS)
$:Brake System Warning Light
9:Dispose of Used Components
Properly
P: Do Not Apply High Pressure
Water
B: Engine Coolant Temperature
g: First Responder
_:Flame/Fire Prohibited
H:Flammable
[:Forward Collision Alert
R: Fuse Block Cover Lock
Location
+: Fuses

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
In Brief 5
In Brief
Instrument Panel
Instrument Panel . . . . . . . . . . . . . . . . 6
Initial Drive Information
Initial Drive Information . . . . . . . . . . 8
Stop/Start System . . . . . . . . . . . . . . . 8
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . 8
Door Locks . . . . . . . . . . . . . . . . . . . . . 9
Trunk Release . . . . . . . . . . . . . . . . . . 9
Windows . . . . . . . . . . . . . . . . . . . . . . . 10
Seat Adjustment . . . . . . . . . . . . . . . 10
Memory Features . . . . . . . . . . . . . . 11
Heated and Ventilated Seats . . . 11
Head Restraint Adjustment . . . . 12
Seat Belts . . . . . . . . . . . . . . . . . . . . . 12
Passenger Sensing System . . . 12
Mirror Adjustment . . . . . . . . . . . . . . 13
Steering Wheel Adjustment . . . . 13
Interior Lighting . . . . . . . . . . . . . . . . 14
Exterior Lighting . . . . . . . . . . . . . . . 15
Windshield Wiper/Washer . . . . . . 15
Climate Controls . . . . . . . . . . . . . . . 16
Transmission . . . . . . . . . . . . . . . . . . 17
Vehicle Features
Infotainment System . . . . . . . . . . . 18
Steering Wheel Controls . . . . . . . 18
Cruise Control . . . . . . . . . . . . . . . . . 19
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . 19
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . 20
Forward Automatic Braking (FAB) . . . . . . . . . . . . . . . . 20
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . 20
Lane Keep Assist (LKA) . . . . . . . 20
Lane Change Alert (LCA) . . . . . . 20
Rear Vision Camera (RVC) . . . . 21
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . . . . . . . . . . . . 21
Parking Assist . . . . . . . . . . . . . . . . . 21
Automatic Parking Assist (APA) . . . . . . . . . . . . . . . . . . 21
Power Outlets . . . . . . . . . . . . . . . . . 21
Universal Remote System . . . . . 22
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 22
eAssist Features
eAssist Overview . . . . . . . . . . . . . . 23
High Voltage Safety Information . . . . . . . . . . . . . . . . . . . 24
Automatic Engine Stop/Start Feature . . . . . . . . . . . . . . . . . . . . . . . 24 Regenerative Braking . . . . . . . . . . 24
Battery . . . . . . . . . . . . . . . . . . . . . . . . . 24
Service . . . . . . . . . . . . . . . . . . . . . . . . 24
Performance and Maintenance
Traction Control/Electronic
Stability Control . . . . . . . . . . . . . . 25
Tire Pressure Monitor . . . . . . . . . . 25
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
E85 or FlexFuel . . . . . . . . . . . . . . . . 26
Engine Oil Life System . . . . . . . . 26
Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . . . 26
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . 27

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
In Brief 7
1.Air Vents 0162.
2. Exterior Lamp Controls 0149.
Fog Lamps 0152.
Instrument Panel Illumination
Control 0153.
3. Turn and Lane-Change Signals
0152.
4. Tap Shift Controls (If Equipped). See Manual Mode
0 191.
5. Instrument Cluster 0114.
Driver Information Center (DIC)
Display. See Driver Information
Center (DIC) 0131.
6. Windshield Wiper/Washer
0107.
7. Hazard Warning Flashers
0151.
8. Light Sensor. See Automatic
Headlamp System 0150.
9. Infotainment 0156.
10. Dual Automatic Climate Control
System 0157. 11.
Traction Control/Electronic
Stability Control 0196.
Park Assist Button (If
Equipped). See Driver
Assistance Systems 0208.
SPORT Button (If Equipped).
See Selective Ride Control
0 198.
Lane Keep Assist (LKA) 0222
(If Equipped).
Automatic Parking Assist
Button (If Equipped). See
Driver Assistance Systems
0 208.
12. Shift Lever. See Automatic
Transmission 0187.
13. ENGINE START/STOP Button (Out of View). See Ignition
Positions 0176.
14. Steering Wheel Controls. See the infotainment manual.
Driver Information Center (DIC)
Controls. See Driver
Information Center (DIC) 0131.
15. Horn 0107. 16.
Steering Wheel Adjustment
0106 (Out of View).
17. Cruise Control 0199 (If
Equipped).
Adaptive Cruise Control 0201
(If Equipped).
Forward Collision Alert (FCA)
System 0214 (If Equipped).
Heated Steering Wheel 0106
(If Equipped).
18. Head-Up Display (HUD) 0134
(If Equipped).
19. Hood Release (Out of View). SeeHood 0237.
20. Front Storage.
21. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp (Check Engine
Light) 0122.
22. Electric Parking Brake 0193.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
12 In Brief
PressCor{, if equipped, to
ventilate the driver or passenger
seat. A ventilated seat has a fan
that pulls or pushes air through the
seat. The air is not cooled.
Press the button once for the
highest setting. With each press of
the button, the seat will change to
the next lower setting, and then to
the off setting. The lights near the
heated or ventilated seat symbol on
the button indicate three for the
highest setting and one for the
lowest.
See Heated and Ventilated Front
Seats 059.
Head Restraint
Adjustment
Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary while keeping the seat and the head
restraint height in the proper
position.
See
Head Restraints 053 and
Reclining Seatbacks 055.
Seat Belts
Refer to the following sections for
important information on how to use
seat belts properly:
.
Seat Belts 063
. How to Wear Seat Belts Properly
064
. Lap-Shoulder Belt 066 .
Lower Anchors and Tethers for
Children (LATCH System) 090
Passenger Sensing
System
The passenger sensing system
turns off the front outboard
passenger frontal airbag and knee
airbag under certain conditions. No
other airbag is affected by the
passenger sensing system. See
Passenger Sensing System 077.
The passenger airbag status
indicator will light on the overhead
console when the vehicle is started.
See Passenger Airbag Status
Indicator 0121.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
14 In Brief
3. Pull or push the steering wheelcloser or away from you.
4. Pull the lever up to lock the steering wheel in place.
Do not adjust the steering wheel
while driving.
Power Tilt and Telescoping
Steering Wheel
To adjust the steering wheel,
if equipped:
Press the control up or down to tilt
the steering wheel up or down. Press the control forward or
rearward to move the steering wheel
closer or away from you.
Do not adjust the steering wheel
while driving.
Interior Lighting
Dome Lamps
The dome lamp controls are in the
overhead console.
To operate, press the following
buttons:
jOFF :
Press to turn off the
dome lamps when a door is open.
An indicator light on the button will
turn on when the dome lamp
override is activated. Press
j
OFF again to deactivate this feature
and the indicator light will turn off.
The dome lamps will come on when
doors are opened.
+ ON/OFF : Press to turn the dome
lamps on manually.
Reading Lamps
There are front and rear reading
lamps.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
In Brief 15
The front reading lamps are in the
overhead console.
Press the lamp lenses to turn the
front reading lamps on or off.
The rear reading lamps are over the
rear passenger doors.
Press the lamp lenses to turn the
rear reading lamps on or off.
For more information on interior
lighting, seeInstrument Panel
Illumination Control 0153.
Exterior Lighting
The exterior lamp control is on the
instrument panel to the left of the
steering column.
There are four positions.
O:Turns the exterior lamps off and
deactivates the AUTO mode. Turn
to
Oagain to reactivate the
AUTO mode.
In Canada, the headlamps will
automatically reactivate when the
vehicle is shifted out of P (Park).
AUTO : Turns the exterior lamps on
and off automatically depending on
outside lighting.
;: Turns on the parking lamps
including all lamps, except the
headlamps.
5: Turns on the headlamps
together with the parking lamps and
instrument panel lights.
See:
. Exterior Lamp Controls 0149.
. Daytime Running Lamps (DRL)
0150.
Windshield Wiper/Washer
With the ignition on or in ACC/
ACCESSORY, move the windshield
wiper lever to select the wiper
speed.
HI : Use for fast wipes.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
In Brief 21
approaching these areas from
behind. The LCA warning display
will light up in the corresponding
outside mirror and will flash if the
turn signal is on. The Side Blind
Zone Alert (SBZA) system is
included as part of the LCA system.
SeeSide Blind Zone Alert (SBZA)
0 220 andLane Change Alert (LCA)
0 220.
Rear Vision
Camera (RVC)
RVC displays a view of the area
behind the vehicle on the
infotainment display when the
vehicle is shifted into R (Reverse) to
aid with parking and low-speed
backing maneuvers.
See Assistance Systems for Parking
or Backing 0210.
Rear Cross Traffic Alert
(RCTA) System
If equipped, the RCTA system
shows a triangle with an arrow on
the infotainment display to warn of traffic behind your vehicle that may
cross your vehicle's path while in
R (Reverse). In addition, beeps will
sound, or the driver seat will pulse.
See
Assistance Systems for Parking
or Backing 0210.
Parking Assist
If equipped, Rear Park Assist (RPA)
uses sensors on the rear bumper to
assist with parking and avoiding
objects while in R (Reverse).
It operates at speeds less than
8 km/h (5 mph). RPA may display a
warning triangle on the infotainment
display and a graphic on the
instrument cluster to provide the
object distance. In addition, multiple
beeps or seat pulses may occur if
very close to an object.
See Assistance Systems for Parking
or Backing 0210.
Automatic Parking
Assist (APA)
If equipped, the APA system helps
to search for and maneuver the
vehicle into parallel or perpendicular parking spots using automatic
steering, DIC displays, and beeps.
When the vehicle speed is below
30 km/h (18 mph), press
Oto
enable the system.
See “Automatic Parking Assist
(APA)” underAssistance Systems
for Parking or Backing 0210.
Power Outlets
The 12-volt power outlets can be
used to plug in electrical equipment,
such as a cell phone or MP3 player.