cooling BUICK REGAL SPORTBACK 2019 Owner's Guide

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-12163021) -
2019 - CRC - 11/14/18
Service and Maintenance 341
Footnotes—Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.
(2) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition. (3)
Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(4) Or every five years, whichever
comes first. See Cooling System
0 256.
(5) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) Replace brake fluid every three
years. See Brake Fluid 0263.
(7) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0266.Special Application
Services
.
Severe Commercial Use
Vehicles Only: Lubricate chassis
components every oil change.
. Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior Care
0 325.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-12163021) -
2019 - CRC - 11/14/18
Service and Maintenance 345
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
UsageFluid/Lubricant
Automatic Transmission (MRC 8-Speed Transmission) DEXRON AW-1 Automatic Transmission Fluid (GM Part No. 19256039, in
Canada 19256040).
Automatic Transmission (M3D and M3T 9-Speed Transmissions) DEXRON-VI Automatic Transmission Fluid.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity
grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil
0 251.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Cooling System 0256.
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.
Hydraulic Brake System DOT 4 Hydraulic Brake Fluid (GM Part No. 19299570, in Canada 19299571).
Key Lock Cylinders, 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 equivalent.
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.

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

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-12163021) -
2019 - CRC - 11/14/18
380 Index
Child RestraintsInfants and Young Children . . . . . 92
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . . . 97
Older Children . . . . . . . . . . . . . . . . . . 90
Securing . . . . . . . . . . . . . . . . . 103, 105
Systems . . . . . . . . . . . . . . . . . . . . . . . . 94
Circuit Breakers . . . . . . . . . . . . . . . . 272
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 325
Interior Care . . . . . . . . . . . . . . . . . . 330
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 171
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Cluster, Instrument . . . . . . . . . . . . . 124
Collision Damage Repair . . . . . . . 359
Compact Spare Tire . . . . . . . . . . . . 318
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . . 111
Compass . . . . . . . . . . . . . . . . . . . . . . . 119
Compressor Kit, Tire Sealant . . . . . . . . . . . . . . . . . . . 300, 306
Connected Services Connections . . . . . . . . . . . . . . . . . . 375
Diagnostics . . . . . . . . . . . . . . . . . . . 377
Navigation . . . . . . . . . . . . . . . . . . . . 374
Connections Connected Services . . . . . . . . . . 375 Control
Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 205
Control of a Vehicle . . . . . . . . . . . . . 180
Convenience Net . . . . . . . . . . . . . . . 114
Convex Mirrors . . . . . . . . . . . . . . . . . . 51
Coolant Engine Temperature Gauge . . 132
Engine TemperatureWarning Light . . . . . . . . . . . . . . . 140
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 171
Cooling System . . . . . . . . . . . . . . . . . 256
Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . . . . 358
Cover Cargo . . . . . . . . . . . . . . . . . . . . . . . . . .113
Cruise Control . . . . . . . . . . . . . . . . . . 208 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Cruise Control, Adaptive . . . . . . . . 210
Cupholders . . . . . . . . . . . . . . . . . . . . . 111
Customer Assistance . . . . . . . . . . . 355 Offices . . . . . . . . . . . . . . . . . . . . . . . . 354
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 355
Customer Information
Publications OrderingInformation . . . . . . . . . . . . . . . . . . 361 Customer Satisfaction
Procedure . . . . . . . . . . . . . . . . . . . . . 352
D
Damage Repair, Collision . . . . . . . 359
Danger, Warning, and Caution . . . . 3
Data Collection
Infotainment System . . . . . . . . . . 365
OnStar . . . . . . . . . . . . . . . . . . . . . . . 365
Data Recorders, Event . . . . . . . . . 364
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 163
Defensive Driving . . . . . . . . . . . . . . . 180
Delayed Locking . . . . . . . . . . . . . . . . . 39
Diagnostics Connected Services . . . . . . . . . . 377
Distracted Driving . . . . . . . . . . . . . . . 179
Dome Lamps . . . . . . . . . . . . . . . . . . . 166
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 143
Delayed Locking . . . . . . . . . . . . . . . . 39
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Locks . . . . . . . . . . . . . . . . . . . . 39
Drive Belt Routing, Engine . . . . . . 351
Drive Systems All-Wheel Drive . . . . . . . . . . 201, 265
Driver Assistance Systems . . . . . 217

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-12163021) -
2019 - CRC - 11/14/18
Index 381
Driver InformationCenter (DIC) . . . . . . . . . . . . . . . . . . 144
Driving Assistance Systems . . . . . . . . . . 221
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 235
Defensive . . . . . . . . . . . . . . . . . . . . . 180
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 180
For Better Fuel Economy . . . . . . . 27
Hill and Mountain Roads . . . . . . 183
If the Vehicle is Stuck . . . . . . . . . 185
Loss of Control . . . . . . . . . . . . . . . 182
Off-Road Recovery . . . . . . . . . . . 182
Vehicle Load Limits . . . . . . . . . . . 186
Wet Roads . . . . . . . . . . . . . . . . . . . 183
Winter . . . . . . . . . . . . . . . . . . . . . . . . 184
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 171
E
Electric Parking Brake . . . . . . . . . . 202
Electric Parking Brake Light . . . . 138
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 243
Electrical System Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 273
Fuses and Circuit Breakers . . . 272 Electrical System (cont'd)
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 276
Overload . . . . . . . . . . . . . . . . . . . . . 271
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 367
Engine Air Cleaner/Filter . . . . . . . . . . . . . 255
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 135
Compartment Overview . . . . . . . 248
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 132
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . 140
Cooling System . . . . . . . . . . . . . . . 256
Drive Belt Routing . . . . . . . . . . . . 351
Exhaust . . . . . . . . . . . . . . . . . . . . . . 197
Heater . . . . . . . . . . . . . . . . . . . . . . . . 194
Oil Life System . . . . . . . . . . . . . . . 253
Oil Pressure Light . . . . . . . . . . . . 141
Overheating . . . . . . . . . . . . . . . . . . 260
Power Messages . . . . . . . . . . . . . 152
Running While Parked . . . . . . . . 198
Starting . . . . . . . . . . . . . . . . . . . . . . . 192
Engine Oil Temperature Gauge . . . . . . . . . . 131
Entry Lighting . . . . . . . . . . . . . . . . . . . 167 Equipment, Towing . . . . . . . . . . . . . 241
Event Data Recorders . . . . . . . . . . 364
Exit Lighting . . . . . . . . . . . . . . . . . . . . 167
Extended Parking . . . . . . . . . . . . . . . 197
Extender, Seat Belt . . . . . . . . . . . . . . 76
Exterior Lamp Controls . . . . . . . . . 162
Exterior Lamps Off Reminder . . . 163
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 168
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 13
Filter, Engine Air Cleaner . . . . . . . . . . . 255
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 163
Flashers, Hazard Warning . . . . . . 165
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 298 Changing . . . . . . . . . . . . . . . . . . . . . 313
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 333
Fluid Automatic Transmission . . . . . . 254
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 263
Washer . . . . . . . . . . . . . . . . . . . . . . . 261
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 166 Bulb Replacement . . . . . . . . . . . . 270
Folding Mirrors . . . . . . . . . . . . . . . . . . 52
Forward Automatic Braking . . . . . 223