Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
262 Vehicle Care
FusesUsage
69 Right LED lamp/ Right high-beam
headlamps
70 Left high-beam headlamps
72 Starter pinion
74 –
75 Engine control module
76 Powertrain –off
engine
77 –
78 Horn
79 Washer pump
81 Transmission control module/Engine
control module
82 –
83 Ignition coils
84 Coil
85 Shunt 60A
86 – Fuses
Usage
87 SAI fuel heater
88 Aeroshutter
89 –
91 –
92 TPIM motor generator/TPIM
93 Keyless entry control module
95 Water change air coolant pump
96 Fuel heater
97 –
99 –
Relays Usage
4 –
20 Rear window defogger
25 Front wiper control
31 Run/Crank
37 Front wiper speed Relays
Usage
42 –
64 Starter motor
66 Powertrain
71 Right LED high beam
73 AC clutch
80 Starter pinion
90 Water change air coolant pump
94 –
98 Fuel heater
Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
270 Vehicle Care
Accessory Weight:The
combined weight of optional
accessories. Some examples of
optional accessories are
automatic transmission, power
windows, power seats, and air
conditioning.
Aspect Ratio
:The relationship
of a tire's height to its width.
Belt
:A rubber coated layer of
cords between the plies and the
tread. Cords may be made from
steel or other reinforcing
materials.
Bead
:The tire bead contains
steel wires wrapped by steel
cords that hold the tire onto
the rim.
Bias Ply Tire
:A pneumatic tire
in which the plies are laid at
alternate angles less than
90 degrees to the centerline of
the tread. Cold Tire Pressure
:The
amount of air pressure in a tire,
measured in kPa (kilopascal)
or psi (pounds per square inch)
before a tire has built up heat
from driving. See Tire Pressure
0 272.
Curb Weight
:The weight of a
motor vehicle with standard and
optional equipment including the
maximum capacity of fuel, oil,
and coolant, but without
passengers and cargo.
DOT Markings
:A code molded
into the sidewall of a tire
signifying that the tire is in
compliance with the U.S.
Department of Transportation
(DOT) Motor Vehicle Safety
Standards. The DOT code
includes the Tire Identification
Number (TIN), an alphanumeric
designator which can also
identify the tire manufacturer,
production plant, brand, and
date of production. GVWR
:Gross Vehicle Weight
Rating. See Vehicle Load Limits
0 171.
GAWR FRT
:Gross Axle Weight
Rating for the front axle. See
Vehicle Load Limits 0171.
GAWR RR
:Gross Axle Weight
Rating for the rear axle. See
Vehicle Load Limits 0171.
Intended Outboard Sidewall
:
The side of an asymmetrical tire
that must always face outward
when mounted on a vehicle.
Kilopascal (kPa)
:The metric
unit for air pressure.
Light Truck (LT-Metric) Tire
:A
tire used on light duty trucks and
some multipurpose passenger
vehicles.
Load Index
:An assigned
number ranging from 1 to 279
that corresponds to the load
carrying capacity of a tire.
Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
324 Service and Maintenance
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
.Check the engine oil level. See
Engine Oil 0238.
Once a Month
. Check the tire inflation
pressures. See Tire Pressure
0 272.
. Inspect the tires for wear. See
Tire Inspection 0278.
. Check the windshield washer
fluid level. See Washer Fluid
0 248.
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 may not
indicate the need for vehicle service
for up to 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.
See
Engine Oil Life System 0240.
Air Conditioning Desiccant
(Replace Every Seven Years)
The air conditioning system requires
maintenance every seven years.
This service requires replacement of
the desiccant to help the longevity
and efficient operation of the air
conditioning system. This service
can be complex. See your dealer.
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 0279. .
Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil 0238 and
Engine Oil Life System 0240.
. Check engine coolant level. See
Cooling System 0243.
. Check windshield washer fluid
level. See Washer Fluid 0248.
. Check tire inflation pressures.
See Tire Pressure 0272.
. Inspect tire wear. See Tire
Inspection 0278.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter
0 242.
. Inspect brake system. See
Exterior Care 0313.
. Visually inspect steering,
suspension, and chassis
components for damage,
including cracks or tears in the
rubber boots, loose or missing
Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Service and Maintenance 333
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
0 238.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Cooling System 0243.
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-13557849) -
2020 - CRC - 6/25/19
Index 367
Child RestraintsInfants and Young Children . . . . . 73
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . . . 78
Older Children . . . . . . . . . . . . . . . . . . 72
Securing . . . . . . . . . . . . . . . . . . . . 86, 88
Systems . . . . . . . . . . . . . . . . . . . . . . . . 76
Circuit Breakers . . . . . . . . . . . . . . . . 259
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 313
Interior Care . . . . . . . . . . . . . . . . . . 317
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 156
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Cluster, Instrument . . . . . . . . . . . . . 107
Collision Damage Repair . . . . . . . 347
Compact Spare Tire . . . . . . . . . . . . 305
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . . . 94
Compass . . . . . . . . . . . . . . . . . . . . . . . 102
Compressor Kit, Tire Sealant . . . . . . . . . . . . . . . . . . . 287, 293
Connected Services Connections . . . . . . . . . . . . . . . . . . 363
Diagnostics . . . . . . . . . . . . . . . . . . . 364
Navigation . . . . . . . . . . . . . . . . . . . . 362
Connections Connected Services . . . . . . . . . . 363 Control
Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 191
Control of a Vehicle . . . . . . . . . . . . . 166
Convenience Net . . . . . . . . . . . . . . . . 97
Convex Mirrors . . . . . . . . . . . . . . . . . . 31
Coolant Engine Temperature Gauge . . .115
Engine TemperatureWarning Light . . . . . . . . . . . . . . . 125
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 156
Cooling System . . . . . . . . . . . . . . . . . 243
Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . . . . 346
Cover Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Cruise Control . . . . . . . . . . . . . . . . . . 194 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Cruise Control, Adaptive . . . . . . . . 196
Cupholders . . . . . . . . . . . . . . . . . . . . . . 94
Customer Assistance . . . . . . . . . . . 343 Offices . . . . . . . . . . . . . . . . . . . . . . . . 342
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 343
Customer Information
Publications OrderingInformation . . . . . . . . . . . . . . . . . . 349 Customer Satisfaction
Procedure . . . . . . . . . . . . . . . . . . . . . 340
Cybersecurity . . . . . . . . . . . . . . . . . . . 352
D
Damage Repair, Collision . . . . . . . 347
Danger, Warning, and Caution . . . . 3
Data Collection Infotainment System . . . . . . . . . . 353
OnStar . . . . . . . . . . . . . . . . . . . . . . . 353
Data Recorders, Event . . . . . . . . . 352
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 148
Defensive Driving . . . . . . . . . . . . . . . 165
Delayed Locking . . . . . . . . . . . . . . . . . 19
Diagnostics Connected Services . . . . . . . . . . 364
Distracted Driving . . . . . . . . . . . . . . . 164
Dome Lamps . . . . . . . . . . . . . . . . . . . 151
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . 128
Delayed Locking . . . . . . . . . . . . . . . . 19
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power Locks . . . . . . . . . . . . . . . . . . . . 19
Drive Belt Routing, Engine . . . . . . 339
Drive Systems All-Wheel Drive . . . . . . . . . . 187, 252
Driver Assistance Systems . . . . . 203
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
370 Index
High-Beam On Light . . . . . . . . . . . . 127
High-Speed Operation . . . . . . . . . . 273
Hill and Mountain Roads . . . . . . . . 169
Hill Start Assist (HSA) . . . . . . . . . . 190
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . . 53
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
I
Ignition Positions . . . . . . . . . . . . . . . 176
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 30
Indicator Pedestrian Ahead . . . . . . . . . . . . 124
Vehicle Ahead . . . . . . . . . . . . . . . . 123
Infants and Young Children,
Restraints . . . . . . . . . . . . . . . . . . . . . . 73
Information Publication Ordering . . . . . . . . . . 349
Infotainment . . . . . . . . . . . . . . . . . . . . 155
Infotainment System . . . . . . . . . . . . 353
Instrument Cluster . . . . . . . . . . . . . . 107
Instrument Panel Overview . . . . . . . 5
Interior Rearview Mirrors . . . . . . . . . 33
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North
America . . . . . . . . . . . . . . . . . . . . . . . 306
K
Keyless EntryRemote (RKE) System . . . . . . . . . . 8
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
L
Labeling, Tire Sidewall . . . . . . . . . . 267
Lamps Daytime Running (DRL) . . . . . . 148
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 151
Exterior Controls . . . . . . . . . . . . . . 147
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 148
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 154
Front Turn Signal . . . . . . . . . . . . . 257
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . .119
On Reminder . . . . . . . . . . . . . . . . . 128
Reading . . . . . . . . . . . . . . . . . . . . . . 152
Lane Change Alert (LCA) . . . . . . . 213
Lane Keep Assist (LKA) . . . . . . . . 215
Lane Keep Assist Light . . . . . . . . . 123
Lap-Shoulder Belt . . . . . . . . . . . . . . . 55 LATCH System
Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . . 85
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 78
LED Lighting . . . . . . . . . . . . . . . . . . . . 256
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Lighting Adaptive Forward . . . . . . . . . . . . . 149
Entry . . . . . . . . . . . . . . . . . . . . . . . . . 152
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Illumination Control . . . . . . . . . . . 151
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Lights Adaptive Forward Lighting(AFL) Light . . . . . . . . . . . . . . . . . . 127
Airbag Readiness . . . . . . . . . . . . . .118
Antilock Brake System (ABS) Warning . . . . . . . . . . . . . . 122
Brake System Warning . . . . . . . 121
Charging System . . . . . . . . . . . . . .119
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . .119
Cruise Control . . . . . . . . . . . . . . . . 128
Door Ajar . . . . . . . . . . . . . . . . . . . . . 128
Electric Parking Brake . . . . . . . . 122
Engine Coolant Temperature Warning . . . . . . . 125