2018 BUICK REGAL coolant

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
Vehicle Care 279
the tire. Air pressure is
expressed in kPa (kilopascal)
or psi (pounds per square inch).
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
0 281.
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
0 183.
GAWR FRT
:Gross Axle Weight
Rating for the front axle. See
Vehicle Load Limits 0183.
GAWR RR
:Gross Axle Weight
Rating for the rear axle. See
Vehicle Load Limits 0183.
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.

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
332 Service and Maintenance
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
.Check the engine oil level. See
Engine Oil 0247.
Once a Month
. Check the tire inflation
pressures. See Tire Pressure
0 281.
. Inspect the tires for wear. See
Tire Inspection 0287.
. Check the windshield washer
fluid level. See Washer Fluid
0 257.
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 0249.
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 0287.
. Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system.
See Engine Oil 0247 and
Engine Oil Life System 0249.
. Check engine coolant level. See
Cooling System 0252.
. Check windshield washer fluid
level. See Washer Fluid 0257. .
Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care 0321. Replace worn or
damaged wiper blades. See
Wiper Blade Replacement
0 262.
. Check tire inflation pressures.
See Tire Pressure 0281.
. Inspect tire wear. See Tire
Inspection 0287.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter
0 251.
. Inspect brake system. See
Exterior Care 0321.
. Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care 0321.
. Check restraint system
components. See Safety System
Check 078.
. Visually inspect fuel system for
damage or leaks.

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
340 Service and Maintenance
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
0 247.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Cooling System 0252.
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-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
374 Index
Child Restraints (cont'd)Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . . . 98
Older Children . . . . . . . . . . . . . . . . . . 91
Securing . . . . . . . . . . . . . . . . . 104, 106
Systems . . . . . . . . . . . . . . . . . . . . . . . . 95
Circuit Breakers . . . . . . . . . . . . . . . . 268
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 321
Interior Care . . . . . . . . . . . . . . . . . . 326
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 168
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Cluster, Instrument . . . . . . . . . . . . . 124
Collision Damage Repair . . . . . . . 353
Compact Spare Tire . . . . . . . . . . . . 314
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . .112
Compass . . . . . . . . . . . . . . . . . . . . . . . 120
Compressor Kit, Tire Sealant . . . . . . . . . . . . . . . . . . . 296, 302
Connections OnStar . . . . . . . . . . . . . . . . . . . . . . . 363
Control Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 201
Control of a Vehicle . . . . . . . . . . . . . 177
Convenience Net . . . . . . . . . . . . . . . 116 Convex Mirrors . . . . . . . . . . . . . . . . . . 53
Coolant
Engine Temperature Gauge . . 130
Engine TemperatureWarning Light . . . . . . . . . . . . . . . 138
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 168
Cooling System . . . . . . . . . . . . . . . . . 252
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 352
Cover Cargo . . . . . . . . . . . . . . . . . . . . . . . . . .114
Cruise Control . . . . . . . . . . . . . . . . . . 204 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Cruise Control, Adaptive . . . . . . . . 206
Cupholders . . . . . . . . . . . . . . . . . . . . . 112
Customer Assistance . . . . . . . . . . . 349 Offices . . . . . . . . . . . . . . . . . . . . . . . . 348
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 349
Customer Information Service Publications
Ordering Information . . . . . . . . 355
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 346
D
Damage Repair, Collision . . . . . . . 353
Danger, Warning, and Caution . . . . 2 Data Collection
Infotainment System . . . . . . . . . . 359
OnStar . . . . . . . . . . . . . . . . . . . . . . . 359
Data Recorders, Event . . . . . . . . . 358
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 160
Defensive Driving . . . . . . . . . . . . . . . 177
Delayed Locking . . . . . . . . . . . . . . . . . 40
Diagnostics
OnStar . . . . . . . . . . . . . . . . . . . . . . . 365
Distracted Driving . . . . . . . . . . . . . . . 176
Dome Lamps . . . . . . . . . . . . . . . . . . . 163
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 141
Delayed Locking . . . . . . . . . . . . . . . . 40
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Power Locks . . . . . . . . . . . . . . . . . . . . 40
Drive Belt Routing, Engine . . . . . . 345
Drive Systems All-Wheel Drive . . . . . . . . . . 197, 261
Driver Assistance Systems . . . . . 213
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . . 141
Driving Assistance Systems . . . . . . . . . . 217
Characteristics and
Towing Tips . . . . . . . . . . . . . . . . . 231
Defensive . . . . . . . . . . . . . . . . . . . . . 177

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
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Index 375
Driving (cont'd)Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 177
For Better Fuel Economy . . . . . . . 28
Hill and Mountain Roads . . . . . . 180
If the Vehicle is Stuck . . . . . . . . . 182
Loss of Control . . . . . . . . . . . . . . . 179
Off-Road Recovery . . . . . . . . . . . 179
Vehicle Load Limits . . . . . . . . . . . 183
Wet Roads . . . . . . . . . . . . . . . . . . . 180
Winter . . . . . . . . . . . . . . . . . . . . . . . . 181
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 168
E
Electric Parking Brake . . . . . . . . . . 198
Electric Parking Brake Light . . . . 135
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 238
Electrical System
Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 268
Fuses and Circuit Breakers . . . 268
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 272
Overload . . . . . . . . . . . . . . . . . . . . . 267
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 361 Engine
Air Cleaner/Filter . . . . . . . . . . . . . 251
Check Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 133
Compartment Overview . . . . . . . 244
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 130
Coolant Temperature Warning Light . . . . . . . . . . . . . . . 138
Cooling System . . . . . . . . . . . . . . . 252
Drive Belt Routing . . . . . . . . . . . . 345
Exhaust . . . . . . . . . . . . . . . . . . . . . . 193
Heater . . . . . . . . . . . . . . . . . . . . . . . . 190
Oil Life System . . . . . . . . . . . . . . . 249
Oil Pressure Light . . . . . . . . . . . . 139
Overheating . . . . . . . . . . . . . . . . . . 256
Power Messages . . . . . . . . . . . . . 149
Running While Parked . . . . . . . . 194
Starting . . . . . . . . . . . . . . . . . . . . . . . 188
Entry Lighting . . . . . . . . . . . . . . . . . . . 164
Equipment, Towing . . . . . . . . . . . . . 237
Event Data Recorders . . . . . . . . . . 358
Exit Lighting . . . . . . . . . . . . . . . . . . . . 164
Extended Parking . . . . . . . . . . . . . . . 193
Extender, Seat Belt . . . . . . . . . . . . . . 77
Exterior Lamp Controls . . . . . . . . . 159 Exterior Lamps Off Reminder . . . 160
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 165
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 14
Filter, Engine Air Cleaner . . . . . . . . . . . 251
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 160
Flashers, Hazard Warning . . . . . . 162
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 294 Changing . . . . . . . . . . . . . . . . . . . . . 309
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 329
Fluid Automatic Transmission . . . . . . 250
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 259
Washer . . . . . . . . . . . . . . . . . . . . . . . 257
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 162 Bulb Replacement . . . . . . . . . . . . 266
Folding Mirrors . . . . . . . . . . . . . . . . . . 53
Forward Automatic Braking . . . . . 219
Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . . 217
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 356
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
376 Index
Front Pedestrian Braking(FPB) System . . . . . . . . . . . . . . . . . 220
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . 62
Heated and Ventilated . . . . . . . . . . 69
Front Storage . . . . . . . . . . . . . . . . . . . 113
Front Turn Signal Lamps . . . . . . . 266
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227 Additives . . . . . . . . . . . . . . . . . . . . . 228
Economy Driving . . . . . . . . . . . . . . . 28
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 230
Filling the Tank . . . . . . . . . . . . . . . 229
Foreign Countries . . . . . . . . . . . . 228
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 129
Low Fuel Warning Light . . . . . . . 139
Requirements, California . . . . . 228
Fuses Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 268
Fuses and Circuit Breakers . . . 268
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 272
G
Garage Door Opener . . . . . . . . . . . 155Programming . . . . . . . . . . . . . . . . . 155
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 263 Gauges
Engine Coolant
Temperature . . . . . . . . . . . . . . . . 130
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Odometer . . . . . . . . . . . . . . . . . . . . . 128
Speedometer . . . . . . . . . . . . . . . . . 128
Tachometer . . . . . . . . . . . . . . . . . . . 128
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 123
General Information Service and Maintenance . . . . . 330
Towing . . . . . . . . . . . . . . . . . . . . . . . . 231
Vehicle Care . . . . . . . . . . . . . . . . . . 241
Glove Box . . . . . . . . . . . . . . . . . . . . . . 112
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . 350
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 265
Hazard Warning Flashers . . . . . . . 162
Head Restraints . . . . . . . . . . . . . . . . . 60
Head-up Display . . . . . . . . . . . . . . . . 145
Headlamps . . . . . . . . . . . . . . . . . . . . . 265
Adaptive ForwardLighting (AFL) . . . . . . . . . . . . . . . 161
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 264
Automatic . . . . . . . . . . . . . . . . . . . . . 160
Bulb Replacement . . . . . . . . . . . . 265 Headlamps (cont'd)
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . 160
Flash-to-Pass . . . . . . . . . . . . . . . . . 160
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . . . 265
High-Beam On Light . . . . . . . . . . 139
High/Low Beam Changer . . . . . 160
Lamps On Reminder . . . . . . . . . 140
Heated Steering Wheel . . . . . . . . . . . . . . . .118
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Heated Mirrors . . . . . . . . . . . . . . . . . . . 53
Heater
Engine . . . . . . . . . . . . . . . . . . . . . . . . 190
Heating . . . . . . . . . . . . . . . . . . . . . . . . . 168
High-Beam On Light . . . . . . . . . . . . 139
High-Speed Operation . . . . . . . . . . 282
Hill and Mountain Roads . . . . . . . . 180
Hill Start Assist (HSA) . . . . . . . . . . 200
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . 74
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
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Index 377
I
Ignition Positions . . . . . . . . . . . . . . . 187
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 51
IndicatorVehicle Ahead . . . . . . . . . . . . . . . . 136
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 93
Infotainment . . . . . . . . . . . . . . . . . . . . 167
Infotainment System . . . . . . . . . . . . 359
Instrument Cluster . . . . . . . . . . . . . . 124
Interior Rearview Mirrors . . . . . . . . . 54
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 315
K
Keyless EntryRemote (RKE) System . . . . . . . . . 30
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
L
Labeling, Tire Sidewall . . . . . . . . . . 276
Lamps Daytime Running (DRL) . . . . . . 160
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 163
Exterior Controls . . . . . . . . . . . . . . 159 Lamps (cont'd)
Exterior Lamps Off
Reminder . . . . . . . . . . . . . . . . . . . 160
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 165
Front Turn Signal . . . . . . . . . . . . . 266
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . 133
On Reminder . . . . . . . . . . . . . . . . . 140
Reading . . . . . . . . . . . . . . . . . . . . . . 164
Lane Change Alert (LCA) . . . . . . . 223
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 225
Lane Keep Assist (LKA) . . . . . . . . 225
Lane Keep Assist Light . . . . . . . . . 136
Lap-Shoulder Belt . . . . . . . . . . . . . . . 75
LATCH System Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . 104
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 98
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Lighting Adaptive Forward . . . . . . . . . . . . . 161
Entry . . . . . . . . . . . . . . . . . . . . . . . . . 164
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Illumination Control . . . . . . . . . . . 163 Lights
Adaptive Forward Lighting
(AFL) Light . . . . . . . . . . . . . . . . . . 140
Airbag Readiness . . . . . . . . . . . . . 131
Antilock Brake System (ABS) Warning . . . . . . . . . . . . . . 136
Brake System Warning . . . . . . . 135
Charging System . . . . . . . . . . . . . 132
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 133
Cruise Control . . . . . . . . . . . . . . . . 140
Door Ajar . . . . . . . . . . . . . . . . . . . . . 141
Electric Parking Brake . . . . . . . . 135
Engine Coolant
Temperature Warning . . . . . . . 138
Engine Oil Pressure . . . . . . . . . . 139
Flash-to-Pass . . . . . . . . . . . . . . . . . 160
Front Fog Lamp . . . . . . . . . . . . . . 140
High-Beam On . . . . . . . . . . . . . . . . 139
High/Low Beam Changer . . . . . 160
Lane Keep Assist . . . . . . . . . . . . . 136
Low Fuel Warning . . . . . . . . . . . . 139
Seat Belt Reminders . . . . . . . . . . 130
Security . . . . . . . . . . . . . . . . . . . . . . 139
Service Electric Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . 135
StabiliTrak OFF . . . . . . . . . . . . . . . 137
Tire Pressure . . . . . . . . . . . . . . . . . 138