2013 BUICK LACROSSE engine oil

Black plate (37,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
Vehicle Care 10-37
J-CaseFuses Usage
25 Rear Heated Seats
26 Antilock Brake System Pump
27 Electric Park Brake
28 Rear Window Defogger
41 Brake Vacuum Pump
42 Cooling Fan K2
43 Not Used
44 Transmission Auxiliary Oil Pump
(eAssist)
45 Cooling Fan K1
59 AIR Pump
Mini Fuses Usage 1 Transmission Control Module —
Battery Mini Fuses Usage
2 Engine Control Module Battery
3 Air Conditioning Compressor Clutch
5 Engine Control Module Run/Crank
8 Ignition Coils —
Even (Six Cylinder
Engine), Ignition
Coils —All (Four
Cylinder Engine)
9 Ignition Coils —Odd
(Six Cylinder
Engine)
10 Engine Control Module—Switched
Battery (from Engine
Control Module
Relay) Mini Fuses Usage
11 Six Cylinder Engine: Post Catalytic
Converter Oxygen
Sensor Heater,
Mass Air Flow
Sensor, Flex Fuel
Sensor, Secondary
Air Induction
Solenoid
13 Run/Crank for Transmission
Control Module and
Fuel System Control
Module/Chassis
Control Module
(eAssist)
14 Cabin Heater Coolant Pump
(eAssist)
15 Motor Generator Unit Coolant Pump
(eAssist)

Black plate (39,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
Vehicle Care 10-39
Mini Fuses Usage53 Run/Crank for Inside Rearview Mirror,
Rear Vision Camera,
Air Quality Sensor,
Aero Shutter Motor
54 Run/Crank for: Heating, Ventilation
and Air
Conditioning,
Headlamp Switch
55 Outside Rearview Mirror, Universal
Garage Door
Opener, Front
Window Switches
56 Windshield Washer
60 Heated Mirror
62 Canister Vent
64 Adaptive Forward Lighting (AFL)
Module—Battery
65 Not Used Mini Fuses Usage
66 AIR Solenoid (eAssist)
67 Fuel System Control Module
69 Regulated Voltage Control Sensor
70 Ultrasonic Parking Assist/Side Blind
Zone/Lane
Departure Warning/
Rain Sensor
71 Passive Entry/ Passive Start
Mini Relays Usage 7 Engine Control Module
9 Cooling Fan
13 Cooling Fan
15 Run/Crank
16 AIR Pump Mini Relays Usage
17 Rear Window Defogger
Micro
Relays Usage
1 Air Conditioning Compressor Clutch
2 Starter
4 Wiper Speed
5 Wiper Control
6 Cabin Heater Coolant Pump
(eAssist)
10 Cooling Fan
14 Headlamp Low Beam
Ultra Micro Relays Usage
11 Transmission Auxiliary Oil Pump
(eAssist)

Black plate (2,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
11-2 Service and Maintenance
Because of the way people use
vehicles, maintenance needs vary.
There may need to be more
frequent checks and services. The
Additional Required Services‐
Normal are for vehicles that:
.Carry passengers and cargo
within recommended limits on
the Tire and Loading Information
label. See Vehicle Load Limits
on page 9‑10.
.Are driven on reasonable road
surfaces within legal driving
limits.
.Use the recommended fuel. See
Recommended Fuel on
page 9‑47.
Refer to the information in the
Maintenance Schedule Additional
Required Services ‐Normal chart.
The Additional Required Services ‐
Severe are for vehicles that are:
.Mainly driven in heavy city traffic
in hot weather.
.Mainly driven in hilly or
mountainous terrain.
.Frequently towing a trailer.
.Used for high speed or
competitive driving.
.Used for taxi, police, or delivery
service.
Refer to the information in the
Maintenance Schedule Additional
Required Services ‐Severe chart.
{WARNING
Performing maintenance work can
be dangerous and can cause
serious injury. Perform
maintenance work only if the
required information, proper tools,
and equipment are available.
If they are not, see your dealer to
have a trained technician do the
work. See Doing Your Own
Service Work on page 10‑4.
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
.Check the engine oil level. See
Engine Oil on page 10‑11.
Once a Month
.Check the tire inflation
pressures. See Tire Pressure on
page 10‑49.
.Inspect the tires for wear. See
Tire Inspection on page 10‑55.
.Check the windshield washer
fluid level. See Washer Fluid on
page 10‑24.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system might not
indicate the need for vehicle service

Black plate (3,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
Service and Maintenance 11-3
for more than a year. The engine oil
and filter must be changed at least
once 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 on
page 10‑13.
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 on page 10‑55.
.Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil on page 10‑11 andEngine
Oil Life System on page 10‑13.
.Check engine coolant level. See
Engine Coolant on page 10‑18.
.Check windshield washer fluid
level. See Washer Fluid on
page 10‑24.
.Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care on page 10‑92. Replace
worn or damaged wiper blades.
See Wiper Blade Replacement
on page 10‑29.
.Check tire inflation pressures.
See Tire Pressure on
page 10‑49.
.Inspect tire wear. See Tire
Inspection on page 10‑55.
.Visually check for fluid leaks.
.Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter on
page 10‑15.
.Inspect brake system.
.Visually inspect steering,
suspension, and chassis
components for damaged, loose, or missing parts or signs of
wear. See
Exterior Care on
page 10‑92.
.Check restraint system
components. See Safety System
Check on page 3‑18.
.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 on page 10‑92.
.Check starter switch. See Starter
Switch Check on page 10‑28.
.Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check on
page 10‑28.
.Check ignition transmission lock.
See Ignition Transmission Lock
Check on page 10‑29.

Black plate (9,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
Service and Maintenance 11-9
Additional
Maintenance and Care
Your vehicle is an important
investment and caring for it properly
may help to avoid future costly
repairs. To maintain vehicle
performance, additional
maintenance services may be
required. It is recommended that
your dealer perform these services
—their trained dealer technicians
know your vehicle best. Your dealer
can also perform a thorough
assessment with a multi-point
inspection to recommend when your
vehicle may need attention. The
following list is intended to explain
the services and conditions to look
for that may indicate services are
required. Battery
The battery supplies power to start
the engine and operate any
additional electrical accessories.
.To avoid break-down or failure to
start the vehicle, maintain a
battery with full cranking power.
.Trained dealer technicians have
the diagnostic equipment to test
the battery and ensure that the
connections and cables are
corrosion-free.
Belts
.Belts may need replacing if they
squeak or show signs of
cracking or splitting.
.Trained dealer technicians have
access to tools and equipment
to inspect the belts and
recommend adjustment or
replacement when necessary. Brakes
Brakes stop the vehicle and are
crucial to safe driving.
.Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping.
.Trained dealer technicians have
access to tools and equipment
to inspect the brakes and
recommend quality parts
engineered for the vehicle.
Fluids
Proper fluid levels and approved
fluids protect the vehicle’s systems
and components. See
Recommended Fluids and
Lubricants on page 11‑12 for GM
approved fluids.
.Engine oil and windshield
washer fluid levels should be
checked at every fuel fill.
.Instrument cluster lights may
come on to indicate that fluids
may be low and need to be
filled.

Black plate (12,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
11-12 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
UsageFluid/Lubricant
Engine Oil Use only engine oil licensed to the dexos1 specfication, or equivalent, of
the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is
recommended. See Engine Oil on page 10‑11.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Engine Coolant on page 10‑18.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 88862806, in Canada 88863462).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.
Hydraulic Power Steering System DEXRON
®-VI Automatic Transmission Fluid.
Automatic Transmission DEXRON
®-VI Automatic Transmission Fluid.
Key Lock Cylinders Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and
Release Pawl Lubriplate Lubricant Aerosol (GM Part No. 89021668, in
Canada 89021674) or lubricant meeting requirements of NLGI #2,
Category LB or GC-LB.

Black plate (13,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
Service and Maintenance 11-13
UsageFluid/Lubricant
Hood and Door Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481).
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 13271191 CF176
Spark Plugs 2.4L L4 Engine 12620540 41–108
3.6L V6 Engine 12622561 41–109

Black plate (2,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
12-2 Technical Data
Vehicle Data
Capacities and Specifications
ApplicationCapacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under thehood. See your dealer for more information.
Engine Cooling System 2.4L L4 Engine 9.6 L 10.1 qt
3.6L V6 Engine 7.1 L 7.5 qt
Engine Oil with Filter
2.4L L4 Engine 4.7 L 5.0 qt
3.6L V6 Engine 5.7 L 6.0 qt