sunroof BUICK LACROSSE 2017 Owner's Manual

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
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 . . . 12
Head Restraint Adjustment . . . . 12
Safety Belts . . . . . . . . . . . . . . . . . . . . 13
Passenger Sensing System . . . 13
Mirror Adjustment . . . . . . . . . . . . . . 13
Steering Wheel Adjustment . . . . 14
Interior Lighting . . . . . . . . . . . . . . . . 15
Exterior Lighting . . . . . . . . . . . . . . . 16
Windshield Wiper/Washer . . . . . . 16
Climate Controls . . . . . . . . . . . . . . . 17
Transmission . . . . . . . . . . . . . . . . . . 18
Vehicle Features
Infotainment System . . . . . . . . . . . 18
Steering Wheel Controls . . . . . . . 18
Cruise Control . . . . . . . . . . . . . . . . . 18
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . 19
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . 19
Forward Automatic Braking (FAB) . . . . . . . . . . . . . . . . 19
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . 19
Lane Keep Assist (LKA) . . . . . . . 20
Lane Change Alert (LCA) . . . . . . 20
Rear Vision Camera (RVC) . . . . 20
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . . . . . . . . . . . . 20
Parking Assist . . . . . . . . . . . . . . . . . 20
Automatic Parking Assist (APA) . . . . . . . . . . . . . . . . . . 21
Power Outlets . . . . . . . . . . . . . . . . . 21
Universal Remote System . . . . . 21
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 22
Performance and Maintenance
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . 23
Tire Pressure Monitor . . . . . . . . . . 23
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
E85 or FlexFuel . . . . . . . . . . . . . . . . 24
Engine Oil Life System . . . . . . . . 24
Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . . . 24
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . 25

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
22 In Brief
Read the instructions completely
before attempting to program the
Universal Remote system. Because
of the steps involved, it may be
helpful to have another person
available to assist with programming
the Universal Remote system.
SeeUniversal Remote System
0 145.
Sunroof
1. Sunroof Switch
2. Power Sunshade
Switch (Rear)
3. Power Sunshade Switch (Sunroof)
On vehicles with a sunroof, the
switches are on the overhead
console.
The ignition must be on, in ACC/
ACCESSORY, or Retained
Accessory Power (RAP) must be
active. See Retained Accessory
Power (RAP) 0178.
Sunroof Switch
Express-Open/Express-Close : To
express-open the sunroof, fully
press and release
~(1). To
express-close, fully press and
release
g(1). To stop the sunroof
partway, press either switch a
second time.
The sunshade opens automatically
with the sunroof.
Open/Close (Manual Mode) : To
open the sunroof, press and hold
~(1). To close the sunroof, press
and hold
g(1). To stop the
sunroof partway, release the switch.
The sunshade opens automatically
with the sunroof. Vent :
Press
~(1) to vent the
sunroof. Press
g(1) to close the
sunroof vent.
Power Sunshade Switch (Sunroof)
Open/Close : Press
C(3) to open
the front sunshade. Press
g(3) to
close the front sunshade.
The vehicle has an automatic
reversal system that stops the
sunroof from closing when the
reversal system detects an object in
its path.
See Sunroof 047 and Rear Window
Sunshade 047.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
26 Keys, Doors, and Windows
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . 27
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . 27
Remote Vehicle Start . . . . . . . . . . 33
Door Locks . . . . . . . . . . . . . . . . . . . . 35
Power Door Locks . . . . . . . . . . . . . 36
Delayed Locking . . . . . . . . . . . . . . . 37
Automatic Door Locks . . . . . . . . . 37
Lockout Protection . . . . . . . . . . . . . 37
Safety Locks . . . . . . . . . . . . . . . . . . . 38
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 40
Vehicle Alarm System . . . . . . . . . 40
Immobilizer . . . . . . . . . . . . . . . . . . . . 41
Immobilizer Operation . . . . . . . . . 41
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 42
Power Mirrors . . . . . . . . . . . . . . . . . . 43 Folding Mirrors . . . . . . . . . . . . . . . . . 43
Heated Mirrors . . . . . . . . . . . . . . . . . 43
Automatic Dimming Mirror . . . . . 43
Reverse Tilt Mirrors . . . . . . . . . . . . 43
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 44
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 44
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 44
Power Windows . . . . . . . . . . . . . . . 45
Sun Visors . . . . . . . . . . . . . . . . . . . . . 47
Rear Window Sunshade . . . . . . . 47
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 47
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with
a Remote Keyless Entry (RKE)
transmitter is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the RKE transmitter
in the vehicle, and children or
others could be caught in the path
of a closing window. Do not leave
children in a vehicle with an RKE
transmitter.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Keys, Doors, and Windows 45
pulsing sound when either rear
window is down and the front
windows are up. To reduce the
sound, open either a front window
or the sunroof, if equipped.
Power Windows
{Warning
Children could be seriously
injured or killed if caught in the
path of a closing window. Never
leave keys in a vehicle with
children. When there are children
in the rear seat, use the window
lockout button to prevent
operation of the windows. See
Keys026.
The switches work when the ignition
is in ON/RUN or ACC/
ACCESSORY, or in Retained
Accessory Power (RAP). See
Retained Accessory Power (RAP)
0178.
Press or pull the switch to open or
close the window.
The windows will be temporarily
disabled if the window switches are
used repeatedly within a short time.
Rear Window Lockout
This feature prevents the rear
passenger windows from operating,
except from the driver position.
Press
oon the driver door to
activate the rear window lockout
switch.
The indicator light comes on when
activated.
Press
oagain to deactivate the
lockout switch.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Keys, Doors, and Windows 47
Sun Visors
Pull the sun visor down to block
glare. Detach the sun visor from the
center mount to pivot to the side
window or, if equipped, extend
along the rod.
Rear Window Sunshade
If equipped, the rear window
sunshade button is on the overhead
console. To open the sunshade,
press and release. The sunshade
will fully extend. To close the
sunshade, press and release the
switch again. The sunshade will fully
close.
The sunshade only operates when
the ignition is in ON/RUN or ACC/
ACCESSORY.
When shifting the vehicle into
R (Reverse), the sunshade will
automatically retract if it is
extended.
Roof
Sunroof
1. Sunroof Switch
2. Power SunshadeSwitch (Rear)
3. Power Sunshade Switch (Sunroof)
On vehicles with a sunroof, the
switches are on the overhead
console.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
48 Keys, Doors, and Windows
The ignition must be on, in ACC/
ACCESSORY, or Retained
Accessory Power (RAP) must be
active. SeeRetained Accessory
Power (RAP) 0178.
Sunroof Switch
Express-Open/Express-Close : To
express-open the sunroof, fully
press and release
~(1). To
express-close, fully press and
release
g(1). To stop the sunroof
partway, press either switch a
second time.
The sunshade opens automatically
with the sunroof.
Open/Close (Manual Mode) : To
open the sunroof, press and hold
~(1). To close the sunroof, press
and hold
g(1). To stop the
sunroof partway, release the switch.
The sunshade opens automatically
with the sunroof.
Vent : Press
~(1) to vent the
sunroof. Press
g(1) to close the
sunroof vent. Power Sunshade Switch (Sunroof)
Open/Close :
Press
C(3) to open
the front sunshade. Press
g(3) to
close the front sunshade.
For the rear window sunshade, refer
to Rear Window Sunshade 047.
Automatic Reversal System
The sunroof/sunshade is equipped
with an automatic reversal system
that is only active when the sunroof/
sunshade is being operated in
express-close. If an object is in the
path of the sunroof/sunshade while
it is express closing, the reversal
system will detect the object and
stop. In the event of closing
difficulties like frost or other
conditions, it is possible to override
the reversal system. To override the
reversal system, close in manual
mode. To stop the movement,
release the switch.Dirt and debris may collect on the
sunroof seal or in the track. This
could cause issues with sunroof
operation and noise. It could also
plug the water drainage system.
Periodically open the sunroof and
remove any obstacles or loose
debris. Wipe the sunroof seal and
roof sealing area using a clean
cloth, mild soap, and water. Do not
remove grease from the sunroof.
If water is seen dripping into the
water drainage system, this is
normal.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
178 Driving and Operating
Warning (Continued)
function. An ungrounded
outlet could cause an
electric shock.
. Use a weatherproof,
heavy-duty, 15 amp-rated
extension cord if needed.
Failure to use the
recommended extension
cord in good operating
condition, or using a
damaged heater or
extension cord, could make
it overheat and cause a fire,
property damage, electric
shock, and injury.
. Do not operate the vehicle
with the heater cord
permanently attached to the
(Continued)
Warning (Continued)
vehicle. Possible heater
cord and thermostat
damage could occur.
. While in use, do not let the
heater cord touch vehicle
parts or sharp edges. Never
close the hood on the
heater cord.
. Before starting the vehicle,
unplug the cord, reattach
the cover to the plug, and
securely fasten the cord.
Keep the cord away from
any moving parts.
4. Before starting the engine, be sure to unplug and store the
cord as it was before to keep it
away from moving engine
parts.
The length of time the heater should
remain plugged in depends on
several factors. Ask a dealer in the
area where you will be parking the
vehicle for the best advice on this.
Retained Accessory
Power (RAP)
The following vehicle accessories
may be used for up to 10 minutes
after the engine is turned off:
. Infotainment System
. Power Windows
. Sunroof (If Equipped)
. Auxiliary Power Outlet
Power to the audio system will
continue to operate for up to
10 minutes or until the driver door is
opened.
Power to the power windows and
sunroof will continue to operate for
up to 10 minutes or until any door is
opened.
All of these features will work when
the ignition is in ON/RUN or ACC/
ACCESSORY.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
250 Vehicle Care
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.Fuses Usage
1 –
2 –
3 ABS pump
5 AC DC inverter
6 Rear closure Fuses Usage
7 Left corner lamp
8 Power windows/ Rearview mirror/
Power seats
9 Engine boost
10 Semi-active damping system
11 DC DC Battery 1 Fuses Usage
12 Rear window defogger
13 Heated mirrors
14 –
15 Passive entry/ Passive start
16 Front wipers
17 Passenger power seat
18 ABS valve
19 Driver power seat
21 Sunroof
22 Right corner lamp
23 Auto headlamp leveling
24 –
26 Transmission control module/Ignition
27 Instrument panel/ Ignition
28 Electronic precision shift/Ignition

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
298 Service and Maintenance
a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
SeeEngine Oil Life System 0233.
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended for
the vehicle, and perform the
following services. See Tire
Rotation 0267.
. Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system.
See Engine Oil 0231 and
Engine Oil Life System 0233.
. Check engine coolant level. See
Engine Coolant 0236.
. Check windshield washer fluid
level. See Washer Fluid 0241. .
Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care 0286. Replace worn or
damaged wiper blades. See
Wiper Blade Replacement
0 245.
. Check tire inflation pressures.
See Tire Pressure 0261.
. Inspect tire wear. See Tire
Inspection 0267.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter
0 235.
. Inspect brake system. See
Exterior Care 0286.
. Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care 0286.
. Check restraint system
components. See Safety System
Check 064.
. Visually inspect fuel system for
damage or leaks. .
Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
. Lubricate body components. See
Exterior Care 0286.
. Check starter switch. See Starter
Switch Check 0244.
. Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check
0 245.
. Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
. Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. See your
dealer if service is required.
. Inspect sunroof track and seal,
if equipped. See Sunroof047.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Index 343
Retained AccessoryPower (RAP) . . . . . . . . . . . . . . . . . . 178
Reverse Tilt Mirrors . . . . . . . . . . . . . . 43
Ride Control Systems Messages . . . . . . . . . . . . . . . . . . . . 134
Selective . . . . . . . . . . . . . . . . . . . . . 192
Roads
Driving, Wet . . . . . . . . . . . . . . . . . . 166
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . . 315
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 47
Rotation, Tires . . . . . . . . . . . . . . . . . . 267
Routing, Engine Drive Belt . . . . . . 310
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . 181
S
Safety Belts . . . . . . . . . . . . . . . . . . . . . 59
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Extender . . . . . . . . . . . . . . . . . . . . . . . . 64
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . 60
Lap-Shoulder Belt . . . . . . . . . . . . . . 61
Reminders . . . . . . . . . . . . . . . . . . . . .112
Replacing after a Crash . . . . . . . . 65
Use During Pregnancy . . . . . . . . . . 64
Safety Defects Reporting Canadian Government . . . . . . . . 322 Safety Defects Reporting (cont'd)
General Motors . . . . . . . . . . . . . . . 322
U.S. Government . . . . . . . . . . . . . 321
Safety Locks . . . . . . . . . . . . . . . . . . . . . 38
Safety System Check . . . . . . . . . . . . 64
Scheduling Appointments . . . . . . . 317
Seats
Head Restraints . . . . . . . . . . . . . . . . 50
Heated and Ventilated Front . . . . 55
Lumbar Adjustment, Front . . . . . . 52
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 53
Power Adjustment, Front . . . . . . . 51
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Reclining Seatbacks . . . . . . . . . . . . 52
Securing Child Restraints . . . . 92, 94
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Messages . . . . . . . . . . . . . . . . . . . . 135
OnStar®. . . . . . . . . . . . . . . . . . . . . . 326
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 40
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 40
Selective Ride Control . . . . . . . . . . 192
Service . . . . . . . . . . . . . . . . . . . . . . . . . 161 Accessories andModifications . . . . . . . . . . . . . . . . 228
Doing Your Own Work . . . . . . . . 228
Engine Soon Light . . . . . . . . . . . . .114
Maintenance Records . . . . . . . . 307 Service (cont'd)
Maintenance, General
Information . . . . . . . . . . . . . . . . . . 296
Parts Identification Label . . . . . 308
Publications Ordering
Information . . . . . . . . . . . . . . . . . . 320
Scheduling Appointments . . . . . 317
Vehicle Messages . . . . . . . . . . . . 135
Service Electric Parking
Brake Light . . . . . . . . . . . . . . . . . . . . 117
Services Special Application . . . . . . . . . . . 302
Servicing the Airbag . . . . . . . . . . . . . 76
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 179
Out of Park . . . . . . . . . . . . . . . . . . . 179
Side Blind Zone Alert (SBZA) . . . 212
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 151
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . . 280
Special Application Services . . . . 302
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . . 309
Speedometer . . . . . . . . . . . . . . . . . . . 110
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . .118
Start Vehicle, Remote . . . . . . . . . . . 33