Page 2 of 391
Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-12163021) -
2019 - CRC - 11/14/18
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . 2
In Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Keys, Doors, and Windows . . . . . 28
Seats and Restraints . . . . . . . . . . . 57
Storage . . . . . . . . . . . . . . . . . . . . . . . . 111
Instruments and Controls . . . . . . 116
Lighting . . . . . . . . . . . . . . . . . . . . . . . 162
Infotainment System . . . . . . . . . . 170
Climate Controls . . . . . . . . . . . . . . 171
Driving and Operating . . . . . . . . . 178
Vehicle Care . . . . . . . . . . . . . . . . . . 244
Service and Maintenance . . . . . 334
Technical Data . . . . . . . . . . . . . . . . 348
Customer Information . . . . . . . . . 352
Reporting Safety Defects . . . . . . 363
OnStar . . . . . . . . . . . . . . . . . . . . . . . . 366
Connected Services . . . . . . . . . . . 374
Index . . . . . . . . . . . . . . . . . . . . 378
Page 349 of 391

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-12163021) -
2019 - CRC - 11/14/18
348 Technical Data
Technical Data
Vehicle Identification
Vehicle IdentificationNumber (VIN) . . . . . . . . . . . . . . . 348
Service Parts Identification Label . . . . . . . . . . . . . . . . . . . . . . . . 348
Vehicle Data
Capacities andSpecifications . . . . . . . . . . . . . . . 349
Engine Drive Belt Routing . . . . 351
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
0 349 for the vehicle's engine code.
Service Parts
Identification Label
There may be a label on the inside
of the glove box or rear cargo area
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.
Page 350 of 391
Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-12163021) -
2019 - CRC - 11/14/18
Technical Data 349
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and
Lubricants 0345 for more information.
Application Capacities
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.
Cooling System –Engine
2.0L L4 Engine 5.0 L 5.3 qt
3.6L V6 Engine 7.2 L 7.6 qt
Engine Oil with Filter 2.0L L4 Engine (FWD) 4.7 L 5.0 qt
2.0L L4 Engine (AWD) 5.7 L 6.0 qt
3.6L V6 Engine 5.7 L 6.0 qt
Page 351 of 391
Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-12163021) -
2019 - CRC - 11/14/18
350 Technical Data
ApplicationCapacities
Metric English
Fuel Tank 62.5 L 16.5 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.
Engine Specifications
Engine VIN CodeTransmission Spark Plug Gap
2.0L L4 Engine (LTG) XAutomatic 0.75–0.90 mm (0.030–
0.035 in)
3.6L V6 Engine (LGX) SAutomatic 0.80–0.90 mm (0.031–
0.035 in)
Page 352 of 391
Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-12163021) -
2019 - CRC - 11/14/18
Technical Data 351
Engine Drive Belt Routing
2.0L L4 Engine
3.6L V6 Engine