fuel pressure BUICK REGAL 2020 User Guide

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Service and Maintenance 327
Footnotes—Maintenance
Schedule Additional Required
Services - Normal
(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.
See Engine Air Cleaner/Filter 0242. (4)
Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and
contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(5) Or every five years, whichever
comes first. See Cooling System
0 243.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) Replace brake fluid every five
years. See Brake Fluid 0250.
(8) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0253.
(9) Or every 10 years, whichever
comes first. See Gas Strut(s)0254.
(10) Replace air conditioning
desiccant every seven years.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Service and Maintenance 329
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.
See Engine Air Cleaner/Filter 0242. (4)
Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and
contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(5) Or every five years, whichever
comes first. See Cooling System
0 243.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) Replace brake fluid every five
years. See Brake Fluid 0250.
(8) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0253.
(9) Or every 10 years, whichever
comes first. See Gas Strut(s)0254.
(10) Replace air conditioning
desiccant every seven years.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
0 313.

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 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

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
374 Index
Speedometer . . . . . . . . . . . . . . . . . . . 113
StabiliTrakOFF Light . . . . . . . . . . . . . . . . . . . . . 124
Start Assist, Hill . . . . . . . . . . . . . . . . . 190
Start Vehicle, Remote . . . . . . . . . . . 15
Starter Switch Check . . . . . . . . . . . 252
Starting the Engine . . . . . . . . . . . . . 177
Steering . . . . . . . . . . . . . . . . . . . . . . . . 166 Heated Wheel . . . . . . . . . . . . . . . . 100
Wheel Adjustment . . . . . . . . . . . . 100
Wheel Controls . . . . . . . . . . . . . . . 100
Stop/Start System . . . . . . . . . . . . . . 178
Stoplamps and Back-up Lamps Bulb Replacement . . . . . . . . . . . . 257
Storage Areas Armrest . . . . . . . . . . . . . . . . . . . . . . . . . 95
Cargo Cover . . . . . . . . . . . . . . . . . . . . 96
Convenience Net . . . . . . . . . . . . . . . 97
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Glove Box . . . . . . . . . . . . . . . . . . . . . . 94
Roof Rack System . . . . . . . . . . . . . . 98
Sunglasses . . . . . . . . . . . . . . . . . . . . . 95
Storage Compartments . . . . . . . . . . 94
Storing the Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . 300
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Stuck Vehicle . . . . . . . . . . . . . . . . . . . 171
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 35
Sunglass Storage . . . . . . . . . . . . . . . . 95
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System
Forward Collision
Alert (FCA) . . . . . . . . . . . . . . . . . . 207
Infotainment . . . . . . . . . . . . . 155, 353
Roof Rack . . . . . . . . . . . . . . . . . . . . . . 98
Systems
Driver Assistance . . . . . . . . . . . . . 203
T
Tachometer . . . . . . . . . . . . . . . . . . . . . 113
TaillampsBulb Replacement . . . . . . . . . . . . 257
Text Telephone (TTY) Users . . . . 343
Theft-Deterrent Systems . . . . . . . . . 30 Immobilizer . . . . . . . . . . . . . . . . . . . . . 30
Thigh Support Adjustment . . . . . . . 43
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
All-Season . . . . . . . . . . . . . . . . . . . . 266
Buying New Tires . . . . . . . . . . . . . 280
Chains . . . . . . . . . . . . . . . . . . . . . . . . 285
Changing . . . . . . . . . . . . . . . . . . . . . 301
Compact Spare . . . . . . . . . . . . . . . 305 Tires (cont'd)
Designations . . . . . . . . . . . . . . . . . 269
Different Size . . . . . . . . . . . . . . . . . 282
If a Tire Goes Flat . . . . . . . . . . . . 285
Inspection . . . . . . . . . . . . . . . . . . . . 278
Low Profile . . . . . . . . . . . . . . . . . . . 266
Pressure . . . . . . . . . . . . . . . . . 272, 273
Pressure Light . . . . . . . . . . . . . . . . 125
Pressure Monitor Operation . . 275
Pressure Monitor System . . . . . 274
Rotation . . . . . . . . . . . . . . . . . . . . . . 279
Sealant and
Compressor Kit . . . . . . . . 287, 293
Sealant and Compressor
Kit, Storing . . . . . . . . . . . . . . . . . . 300
Sidewall Labeling . . . . . . . . . . . . . 267
Terminology and Definitions . . 269
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . 282
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 284
Wheel Replacement . . . . . . . . . . 284
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 280
Winter . . . . . . . . . . . . . . . . . . . . . . . . 266
Top Tier Fuel . . . . . . . . . . . . . . . . . . . 217