2020 BUICK REGAL oil

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Technical Data 337
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and
Lubricants 0333 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.
Engine Cooling System* 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
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 cooling system capacity values are based on the entire cooling system and its components.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
364 Connected Services
3. To change the SSID orpassword, press
Qor call
1-888-4ONSTAR to connect
with an Advisor. On some
vehicles, the SSID and
password can be changed in
the Wi-Fi Hotspot menu.
After initial set-up, your vehicle’s
Wi-Fi hotspot will connect
automatically to your mobile
devices. Manage data usage by
turning Wi-Fi on or off on your
mobile device, by using the myBuick
mobile app, or by contacting an
OnStar Advisor. On some vehicles,
Wi-Fi can also be managed from the
Wi-Fi Hotspot menu.
MyBuick Mobile App (If Available)
Download the myBuick mobile app
to compatible Apple and Android
smartphones. Buick users can
access the following services from a
smartphone:
. Remotely start/stop the vehicle,
if factory-equipped.
. Lock/unlock doors, if equipped
with automatic locks. .
Activate the horn and lamps.
. Check the vehicle’s fuel level, oil
life, or tire pressure,
if factory-equipped with the Tire
Pressure Monitor System.
. Send destinations to the vehicle.
. Locate the vehicle on a map
(U.S. market only).
. Turn the vehicle's Wi-Fi hotspot
on/off, manage settings, and
monitor data consumption,
if equipped.
. Locate a dealer and schedule
service.
. Request roadside assistance.
. Set a parking reminder with pin
drop, take a photo, make a note,
and set a timer.
. Connect with Buick on social
media.
Features are subject to change. For
myBuick mobile app information and
compatibility, see my.buick.com.
An active OnStar or connected
service plan may be required.
A compatible device, factory-installed remote start, and
power locks are required. Data rates
apply. See www.onstar.com for
details and system limitations.
Remote Services
Contact an OnStar Advisor to
unlock the doors or sound the horn
and flash the lamps.
Marketplace
OnStar Advisors can provide offers
from restaurants and retailers on
your route, help locate hotels,
or book a room. These services
vary by market.
Diagnostics
By monitoring and reporting on the
vehicle’s key systems, OnStar
Advanced Diagnostics, if equipped,
provides a way to keep up on
maintenance. Capabilities vary by
model. See www.onstar.com for
details and system limitations.
Features are subject to change. For
updates on feature capabilities, see
my.buick.com. Message and data
rates may apply.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
368 Index
Driver InformationCenter (DIC) . . . . . . . . . . . . . . . . . . 128
Driving Assistance Systems . . . . . . . . . . 207
Better Fuel Economy . . . . . . . . . 164
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 221
Defensive . . . . . . . . . . . . . . . . . . . . . 165
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 165
Hill and Mountain Roads . . . . . . 169
If the Vehicle is Stuck . . . . . . . . . 171
Loss of Control . . . . . . . . . . . . . . . 168
Off-Road Recovery . . . . . . . . . . . 167
Vehicle Load Limits . . . . . . . . . . . 171
Wet Roads . . . . . . . . . . . . . . . . . . . 168
Winter . . . . . . . . . . . . . . . . . . . . . . . . 170
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 156
E
Electric Parking Brake . . . . . . . . . . 188
Electric Parking Brake Light . . . . 122
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 229
Electrical System Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 259
Fuses and Circuit Breakers . . . 259 Electrical System (cont'd)
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 263
Overload . . . . . . . . . . . . . . . . . . . . . 258
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 355
Engine Air Cleaner/Filter . . . . . . . . . . . . . 242
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . .119
Compartment Overview . . . . . . . 235
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . .115
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . 125
Cooling System . . . . . . . . . . . . . . . 243
Drive Belt Routing . . . . . . . . . . . . 339
Exhaust . . . . . . . . . . . . . . . . . . . . . . 183
Heater . . . . . . . . . . . . . . . . . . . . . . . . 179
Oil Life System . . . . . . . . . . . . . . . 240
Oil Pressure Light . . . . . . . . . . . . 126
Overheating . . . . . . . . . . . . . . . . . . 247
Power Messages . . . . . . . . . . . . . 137
Running While Parked . . . . . . . . 184
Starting . . . . . . . . . . . . . . . . . . . . . . . 177
Engine Oil Temperature Gauge . . . . . . . . . . .115
Entry Lighting . . . . . . . . . . . . . . . . . . . 152 Equipment, Towing . . . . . . . . . . . . . 227
Event Data Recorders . . . . . . . . . . 352
Exit Lighting . . . . . . . . . . . . . . . . . . . . 152
Extended Parking . . . . . . . . . . . . . . . 183
Extender, Seat Belt . . . . . . . . . . . . . . 58
Exterior Lamp Controls . . . . . . . . . 147
Exterior Lamps Off Reminder . . . 148
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 154
F
Filter,Engine Air Cleaner . . . . . . . . . . . 242
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 148
Flashers, Hazard Warning . . . . . . 150
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 285 Changing . . . . . . . . . . . . . . . . . . . . . 301
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 320
Fluid Automatic Transmission . . . . . . 241
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 250
Washer . . . . . . . . . . . . . . . . . . . . . . . 248
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 150 Bulb Replacement . . . . . . . . . . . . 257
Folding Mirrors . . . . . . . . . . . . . . . . . . 32
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 207

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Index 369
Frequency StatementRadio . . . . . . . . . . . . . . . . . . . . . . . . . 350
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . 210
Front Seats
Adjustment . . . . . . . . . . . . . . . . . . . . . 41
Heated and Ventilated . . . . . . . . . . 48
Front Storage . . . . . . . . . . . . . . . . . . . . 95
Front Turn Signal Lamps . . . . . . . 257
Fuel Additives . . . . . . . . . . . . . . . . . . . . . 218
Economy, Driving for Better . . . 164
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 220
Filling the Tank . . . . . . . . . . . . . . . 218
Foreign Countries . . . . . . . . . . . . 218
Gauge . . . . . . . . . . . . . . . . . . . . . . . . .113
Low Fuel Warning Light . . . . . . . 126
Management, Active . . . . . . . . . . 182
Prohibited Fuels . . . . . . . . . . . . . . 218
Recommended . . . . . . . . . . . . . . . 217
Top Tier . . . . . . . . . . . . . . . . . . . . . . 217
Fuses
Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 259
Fuses and Circuit Breakers . . . 259 Fuses (cont'd)
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 263
G
Garage Door Opener . . . . . . . . . . . 143Programming . . . . . . . . . . . . . . . . . 143
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 254
Gauges Engine Coolant
Temperature . . . . . . . . . . . . . . . . .115
Engine Oil Temperature . . . . . . . .115
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Odometer . . . . . . . . . . . . . . . . . . . . . .113
Speedometer . . . . . . . . . . . . . . . . . .113
Tachometer . . . . . . . . . . . . . . . . . . . .113
Voltmeter . . . . . . . . . . . . . . . . . . . . . .116
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 106
General Information Service and Maintenance . . . . . 322
Towing . . . . . . . . . . . . . . . . . . . . . . . . 221
Vehicle Care . . . . . . . . . . . . . . . . . . 231
Glove Box . . . . . . . . . . . . . . . . . . . . . . . 94
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . 344
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 256
Hazard Warning Flashers . . . . . . . 150
Head Restraints . . . . . . . . . . . . . . . . . 39
Head-up Display . . . . . . . . . . . . . . . . 133
Headlamps . . . . . . . . . . . . . . . . . . . . . 256Adaptive ForwardLighting (AFL) . . . . . . . . . . . . . . . 149
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 255
Automatic . . . . . . . . . . . . . . . . . . . . . 148
Bulb Replacement . . . . . . . . . . . . 256
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . 148
Flash-to-Pass . . . . . . . . . . . . . . . . . 148
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . . . 256
High-Beam On Light . . . . . . . . . . 127
High/Low Beam Changer . . . . . 148
Lamps On Reminder . . . . . . . . . 128
Heated Steering Wheel . . . . . . . . . . . . . . . 100
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Heated Mirrors . . . . . . . . . . . . . . . . . . . 32
Heater
Engine . . . . . . . . . . . . . . . . . . . . . . . . 179
Heating . . . . . . . . . . . . . . . . . . . . . . . . . 156

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Index 371
Lights (cont'd)Engine Oil Pressure . . . . . . . . . . 126
Flash-to-Pass . . . . . . . . . . . . . . . . . 148
Front Fog Lamp . . . . . . . . . . . . . . 127
High-Beam On . . . . . . . . . . . . . . . . 127
High/Low Beam Changer . . . . . 148
Lane Keep Assist . . . . . . . . . . . . . 123
Low Fuel Warning . . . . . . . . . . . . 126
Seat Belt Reminders . . . . . . . . . . .117
Security . . . . . . . . . . . . . . . . . . . . . . 127
Service Electric Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . 122
StabiliTrak OFF . . . . . . . . . . . . . . . 124
Tire Pressure . . . . . . . . . . . . . . . . . 125
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . 125
Traction Off . . . . . . . . . . . . . . . . . . . 124
Locks
Automatic Door . . . . . . . . . . . . . . . . . 19
Delayed Locking . . . . . . . . . . . . . . . . 19
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Lockout Protection . . . . . . . . . . . . . . 20
Power Door . . . . . . . . . . . . . . . . . . . . . 19
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Loss of Control . . . . . . . . . . . . . . . . . 168
Low Fuel Warning Light . . . . . . . . . 126
Low-Profile Tires . . . . . . . . . . . . . . . . 266 Lower Anchors and Tethers
for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 78
Lumbar Adjustment . . . . . . . . . . . . . . 43 Front Seats . . . . . . . . . . . . . . . . . . . . . 43
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 335
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 330
Maintenance Schedule . . . . . . . . . 324
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 333
Malfunction Indicator Lamp . . . . . 119
Manual Mode . . . . . . . . . . . . . . . . . . . 186
Massage . . . . . . . . . . . . . . . . . . . . . . . . 49
Memory Seats . . . . . . . . . . . . . . . . . . . 45
Messages Engine Power . . . . . . . . . . . . . . . . 137
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 137
Vehicle Speed . . . . . . . . . . . . . . . . 138
Mirrors Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . . . 33
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 31
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 32
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 32 Mirrors (cont'd)
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Tilt in Reverse . . . . . . . . . . . . . . . . . . 32
Mirrors, Interior Rearview . . . . . . . . 33
Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . . . 274N
NavigationConnected Services . . . . . . . . . . 362
Net, Convenience . . . . . . . . . . . . . . . 97
New Vehicle Break-In . . . . . . . . . . . 175
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 113
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 167
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 238
Engine Oil Life System . . . . . . . 240
Pressure Light . . . . . . . . . . . . . . . . 126
Older Children, Restraints . . . . . . . 72
Online Owner Center . . . . . . . . . . . 343
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 353
OnStar Additional Information . . . . . . . . . . . . . . . . . . . . 356
OnStar Emergency . . . . . . . . . . . . . 355
OnStar Overview . . . . . . . . . . . . . . . 354
OnStar Security . . . . . . . . . . . . . . . . 356