2018 BUICK LACROSSE technical data

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . 2
In Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Keys, Doors, and Windows . . . . . 27
Seats and Restraints . . . . . . . . . . . 51
Storage . . . . . . . . . . . . . . . . . . . . . . . 100
Instruments and Controls . . . . . . 103
Lighting . . . . . . . . . . . . . . . . . . . . . . . 144
Infotainment System . . . . . . . . . . 151
Climate Controls . . . . . . . . . . . . . . 152
Driving and Operating . . . . . . . . . 159
Vehicle Care . . . . . . . . . . . . . . . . . . 227
Service and Maintenance . . . . . 310
Technical Data . . . . . . . . . . . . . . . . 322
Customer Information . . . . . . . . . 325
Reporting Safety Defects . . . . . . 335
OnStar . . . . . . . . . . . . . . . . . . . . . . . . 339
Index . . . . . . . . . . . . . . . . . . . . 350

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
322 Technical Data
Technical Data
Vehicle Identification
Vehicle IdentificationNumber (VIN) . . . . . . . . . . . . . . . 322
Service Parts Identification Label . . . . . . . . . . . . . . . . . . . . . . . . 322
Vehicle Data
Capacities andSpecifications . . . . . . . . . . . . . . . 323
Engine Drive Belt Routing . . . . 324
Vehicle Identification
Vehicle Identification
Number (VIN)
This legal identifier is in the front
corner of the instrument panel, on
the driver side of the vehicle. It can
be seen through the windshield from
outside. The Vehicle Identification
Number (VIN) also appears on the
Vehicle Certification and Service
Parts labels and certificates of title
and registration.
Engine Identification
The eighth character in the VIN is
the engine code. This code
identifies the vehicle's engine,
specifications, and replacement
parts. See “Engine Specifications”
under Capacities and Specifications
0 323 for the vehicle's engine code.
Service Parts
Identification Label
There may be a label on the inside
the spare tire compartment that
contains the following information:
.
Vehicle Identification
Number (VIN)
. Model designation
. Paint information
. Production options and special
equipment
If there is no label, there is a
barcode on the certification label on
the center (B) pillar to scan for this
same information.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
Technical Data 323
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 9.0 L 9.5 qt
Engine Oil with Filter 2.5L L4 Engine 4.7 L 5.0 qt
3.6L V6 Engine 5.7 L 6.0 qt
Fuel Tank AWD 61.3 L 16.2 gal
FWD 59.8 L 15.8 gal
Wheel Nut Torque 140 Y100 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
324 Technical Data
Engine Specifications
EngineVIN CodeTransmission Spark Plug Gap
2.5L L4 Engine ZAutomatic 0.95–1.10mm (0.037–
0.043in)
3.6L V6 Engine SAutomatic 0.80–0.90 mm (0.031–
0.035 in)
Engine Drive Belt Routing
2.5L L4 Engine
3.6L V6 Engine