wiper blade replacement BUICK LACROSSE 2016 Owner's Manual

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
102 Instruments and Controls
Horn
Pressaon the steering wheel pad
to sound the horn.
Windshield Wiper/Washer
The windshield wiper/washer lever
is on the right side of the steering
column.
With the ignition in ACC/
ACCESSORY or ON/RUN/START,
move the windshield wiper lever to
select the wiper speed.
HI : Use for fast wipes.
LO : Use for slow wipes.
INT (Intermittent Wipes) : Move
the lever up to INT for intermittent
wipes, then turn the
xINT band
up for more frequent wipes or down
for less frequent wipes.
OFF : Use to turn the wipers off.
1X (Mist) : For a single wipe, briefly
move the wiper lever down. For
several wipes, hold the wiper
lever down.
{Warning
In freezing weather, do not use
the washer until the windshield is
warmed. Otherwise the washer
fluid can form ice on the
windshield, blocking your vision.
n L(Windshield Washer) : Pull
the windshield wiper lever toward
you to spray washer fluid and
activate the wipers. The wipers will
continue until the lever is released
or the maximum wash time is
reached. When the lever is
released, additional wipes may
occur depending on how long the
windshield washer had been
activated. See Washer Fluid0247
for information on filling the
windshield washer fluid reservoir.
Clear snow and ice from the wiper
blades and windshield before using
them. If frozen to the windshield,
carefully loosen or thaw them.
Damaged blades should be
replaced. See Wiper Blade
Replacement 0253.
Heavy snow or ice can overload the
wiper motor.
Wiper Parking
If the ignition is put in OFF while the
wipers are on LO, HI, or INT, they
will immediately stop.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
226 Vehicle Care
Vehicle Care
General Information
General Information . . . . . . . . . . 227
California Proposition65 Warning . . . . . . . . . . . . . . . . . 227
California Perchlorate Materials Requirements . . . . . 228
Accessories and Modifications . . . . . . . . . . . . . . . . 228
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 229
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 230
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . 231
Engine Oil . . . . . . . . . . . . . . . . . . . . 236
Engine Oil Life System . . . . . . . 238
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . 239
Engine Air Cleaner/Filter . . . . . . 239
Cooling System . . . . . . . . . . . . . . 242
Engine Coolant . . . . . . . . . . . . . . . 243
Engine Overheating . . . . . . . . . . 245
Overheated Engine Protection Operating Mode . . . . . . . . . . . . . 246 Power Steering Fluid (2.4L L4
Engine and 3.6L V6 Engine
with FWD) . . . . . . . . . . . . . . . . . . 247
Power Steering Fluid (3.6L V6 Engine with AWD) . . . . . . . 247
Washer Fluid . . . . . . . . . . . . . . . . . 247
Brakes . . . . . . . . . . . . . . . . . . . . . . . 248
Brake Fluid . . . . . . . . . . . . . . . . . . . 249
Battery - North America . . . . . . 250
All-Wheel Drive . . . . . . . . . . . . . . . 251
Starter Switch Check . . . . . . . . . 251
Automatic Transmission Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 252
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . . . 252
Park Brake and P (Park) Mechanism Check . . . . . . . . . . 252
Wiper Blade Replacement . . . . 253
Windshield Replacement . . . . . 253
Headlamp Aiming
Headlamp Aiming . . . . . . . . . . . . 254
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 254
Halogen Bulbs . . . . . . . . . . . . . . . . 254
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . 254
LED Lighting . . . . . . . . . . . . . . . . . 254 Headlamps, Front Turn Signal
and Parking Lamps . . . . . . . . . 255
Taillamps, Turn Signal, Stoplamps, and Back-Up
Lamps . . . . . . . . . . . . . . . . . . . . . . 256
License Plate Lamp . . . . . . . . . . 256
Replacement Bulbs . . . . . . . . . . . 257
Electrical System
High Voltage Devices and Wiring . . . . . . . . . . . . . . . . . . . . . . . 257
Electrical System Overload . . . 257
Fuses and Circuit Breakers . . . 258
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 259
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 262
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 264
All-Season Tires . . . . . . . . . . . . . . 265
Winter Tires . . . . . . . . . . . . . . . . . . 265
Summer Tires . . . . . . . . . . . . . . . . 265
Tire Sidewall Labeling . . . . . . . . 266
Tire Designations . . . . . . . . . . . . . 268
Tire Terminology and
Definitions . . . . . . . . . . . . . . . . . . 268
Tire Pressure . . . . . . . . . . . . . . . . . 271
Tire Pressure for High-Speed Operation . . . . . . . . . . . . . . . . . . . 272

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Vehicle Care 253
.To check the P (Park)
mechanism's holding ability:
With the engine running, shift to
P (Park). Then release the
parking brake followed by the
regular brake.
Contact your dealer if service is
required.
Wiper Blade Replacement
Windshield wiper blades should be
inspected for wear and cracking.
See Maintenance Schedule 0314
for more information.
Replacement blades come in
different types and are removed in
different ways. For proper type and
length, see Maintenance
Replacement Parts 0324.
To replace the windshield wiper
blade:
1. Pull the windshield wiper assembly away from the
windshield.
2. Lift up on the latch in themiddle of the wiper blade
where the wiper arm attaches.
3. With the latch open, pull the wiper blade down toward the
windshield far enough to
release it from the J-hooked
end of the wiper arm.
4. Remove the wiper blade. Allowing the wiper blade arm to
touch the windshield when no
wiper blade is installed could
damage the windshield. Any
damage that occurs would not
be covered by the vehicle warranty. Do not allow the
wiper blade to touch the
windshield.
5. Reverse Steps 1–3 for wiper blade replacement.
Windshield Replacement
HUD System
The windshield is part of the HUD
system. If the windshield must be
replaced, get one that is designed
for HUD or the HUD image may
look out of focus.
Driver Assistance Systems
When a windshield replacement is
needed and the vehicle is equipped
with a front-looking camera sensor
for the Driver Assistance Systems,
the windshield must be installed
according to GM specifications for
these systems to work properly. If it
is not, there may be unexpected
behavior and/or messages from
these systems. See Object
Detection System Messages 0134.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Service and Maintenance 313
Service and
Maintenance
General Information
General Information . . . . . . . . . . 313
Maintenance Schedule
Maintenance Schedule . . . . . . . 314
Special Application Services
Special ApplicationServices . . . . . . . . . . . . . . . . . . . . 320
Additional Maintenance
and Care
Additional Maintenanceand Care . . . . . . . . . . . . . . . . . . . . 320
Recommended Fluids,
Lubricants, and Parts
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 323
Maintenance Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . 324
Maintenance Records
Maintenance Records . . . . . . . . 325
General Information
Your vehicle is an important
investment. This section describes
the required maintenance for the
vehicle. Follow this schedule to help
protect against major repair
expenses resulting from neglect or
inadequate maintenance. It may
also help to maintain the value of
the vehicle if it is sold. It is the
responsibility of the owner to have
all required maintenance performed.
Your dealer has trained technicians
who can perform required
maintenance using genuine
replacement parts. They have
up-to-date tools and equipment for
fast and accurate diagnostics. Many
dealers have extended evening and
Saturday hours, courtesy
transportation, and online
scheduling to assist with service
needs. Your dealer recognizes the
importance of providing
competitively priced maintenance
and repair services. With trained
technicians, the dealer is the place
for routine maintenance such as oil
changes and tire rotations and
additional maintenance items like
tires, brakes, batteries, and wiper
blades.
Caution
Damage caused by improper
maintenance can lead to costly
repairs and may not be covered
by the vehicle warranty.
Maintenance intervals, checks,
inspections, recommended fluids,
and lubricants are important to
keep the vehicle in good working
condition.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Service and Maintenance 315
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 0238.
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 0277.
. Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil 0236 andEngine Oil Life
System 0238. .
Check engine coolant level. See
Engine Coolant 0243.
. Check windshield washer fluid
level. See Washer Fluid 0247.
. Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care 0304. Replace worn or
damaged wiper blades. See
Wiper Blade
Replacement 0253.
. Check tire inflation pressures.
See Tire Pressure 0271.
. Inspect tire wear. See Tire
Inspection 0277.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/
Filter 0239. .
Inspect brake system. See
Exterior Care 0304.
. Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care 0304.
. 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 0304.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
322 Service and Maintenance
Shocks and Struts
Shocks and struts help aid in control
for a smoother ride.
.Signs of wear may include
steering wheel vibration, bounce/
sway while braking, longer
stopping distance, or uneven
tire wear.
. As part of the multi-point
inspection, trained dealer
technicians can visually inspect
the shocks and struts for signs
of leaking, blown seals,
or damage, and can advise
when service is needed.
Tires
Tires need to be properly inflated,
rotated, and balanced. Maintaining
the tires can save money and fuel,
and can reduce the risk of tire
failure.
. Signs that the tires need to be
replaced include three or more
visible treadwear indicators; cord
or fabric showing through the
rubber; cracks or cuts in the
tread or sidewall; or a bulge or
split in the tire. .
Trained dealer technicians can
inspect and recommend the right
tires. Your dealer can also
provide tire/wheel balancing
services to ensure smooth
vehicle operation at all speeds.
Your dealer sells and services
name brand tires.
Vehicle Care
To help keep the vehicle looking like
new, vehicle care products are
available from your dealer. For
information on how to clean and
protect the vehicle’s interior and
exterior, see Interior Care 0308 and
Exterior Care 0304.
Wheel Alignment
Wheel alignment is critical for
ensuring that the tires deliver
optimal wear and performance.
. Signs that the alignment may
need to be adjusted include
pulling, improper vehicle
handling, or unusual tire wear.
. Your dealer has the required
equipment to ensure proper
wheel alignment. Windshield
For safety, appearance, and the
best viewing, keep the windshield
clean and clear.
.
Signs of damage include
scratches, cracks, and chips.
. Trained dealer technicians can
inspect the windshield and
recommend proper replacement
if needed.
Wiper Blades
Wiper blades need to be cleaned
and kept in good condition to
provide a clear view.
. Signs of wear include streaking,
skipping across the windshield,
and worn or split rubber.
. Trained dealer technicians can
check the wiper blades and
replace them when needed.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
324 Service and Maintenance
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 55560894 A3128C
Engine Oil Filter
2.4L L4 Engine 12605566 PF457G
3.6L V6 Engine 89017525 PF63
Passenger Compartment Air Filter 13356914 CF184
Spark Plugs
2.4L L4 Engine 12620540 41–108
3.6L V6 Engine 12622561 41–109
Wiper Blades
Driver Side –65 cm (25.6 in) 25892079 —
Passenger Side –45 cm (17.7 in) 25882578 —

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
356 Index
Assistance Program,Roadside . . . . . . . . . . . . . . . . . . . . . . 334
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . . 207
Assistance Systems for Parking and Backing . . . . . . . . . . 205
Automatic
Door Locks . . . . . . . . . . . . . . . . . . . . . 37
Headlamp System . . . . . . . . . . . . 149
Transmission . . . . . . . . . . . . . . . . . 186
Transmission Fluid . . . . . . . . . . . 239
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 188
Shift Lock Control FunctionCheck . . . . . . . . . . . . . . . . . . . . . . . 252
B
BatteryLoad Management . . . . . . . . . . . . 154
Power Protection . . . . . . . . . . . . . 155
Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . . 130
Battery - North America . . . . . . . . . . . . .250, 297, 298
Blade Replacement, Wiper . . . . . 253
Brake System Warning Light . . . . . . . . .115
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 248 Antilock . . . . . . . . . . . . . . . . . . . . . . . 189 Brakes (cont'd)
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 192
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Parking . . . . . . . . . . . . . . . . . . . . . . . 190
System Messages . . . . . . . . . . . . 130
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 165
Break-In, New Vehicle . . . . . . . . . . 174
Bulb Replacement . . . . . . . . . . . . . . 257 Fog Lamps . . . . . . . . . . . . . . . . . . . 151
Halogen Bulbs . . . . . . . . . . . . . . . . 254
Headlamp Aiming . . . . . . . . . . . . . 254
Headlamps . . . . . . . . . . . . . . . . . . . 254
Headlamps, Front TurnSignal, and Parking
Lamps . . . . . . . . . . . . . . . . . . . . . . 255
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . 254
License Plate Lamps . . . . . . . . . 256
Taillamps, Turn Signal,
Stoplamps, and Back-up
Lamps . . . . . . . . . . . . . . . . . . . . . . 256
Buying New Tires . . . . . . . . . . . . . . . 279
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 103
California Fuel Requirements . . . . . . . . . . . 216
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 228 California
Proposition
65 Warning . . . . . . . 227, 250, 297, 298
Canadian Vehicle Owners . . . . . . . . 2
Capacities and
Specifications . . . . . . . . . . . . . . . . . 327
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 185
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Winter Driving . . . . . . . . . . . . . . . . 169
Caution, Danger, and Warning . . . . 2
Center Console Storage . . . . . . . . . 99
Chains, Tire . . . . . . . . . . . . . . . . . . . . 283
Charging System Light . . . . . . . . . 113
Check Ignition Transmission Lock . . . 252
Malfunction IndicatorEngine Light . . . . . . . . . . . . . . . . .114
Child Restraints Infants and Young Children . . . . . 79
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . . . 84
Older Children . . . . . . . . . . . . . . . . . . 77
Securing . . . . . . . . . . . . . . . . . . . . 91, 93
Systems . . . . . . . . . . . . . . . . . . . . . . . . 81
Circuit Breakers . . . . . . . . . . . . . . . . 258

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
366 Index
Wheels (cont'd)Different Size . . . . . . . . . . . . . . . . . 280
Replacement . . . . . . . . . . . . . . . . . 282
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Where to Put the Restraint . . . . . . 83
Windows . . . . . . . . . . . . . . . . . . . . . . . . 45 Messages . . . . . . . . . . . . . . . . . . . . 138
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Windshield Replacement . . . . . . . . . . . . . . . . . 253
Wiper/Washer . . . . . . . . . . . . . . . . 102
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . 169
Winter Tires . . . . . . . . . . . . . . . . . . . . 265
Wiper Blade Replacement . . . . . . 253
Wiring, High Voltage Devices . . . 257