BUICK REGAL 2020 Owners Manual

Regal
Owner’s Manual
2020 Regal
84388530 A
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CM
MY
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Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . 2
Keys, Doors, and Windows . . . . . . 7
Seats and Restraints . . . . . . . . . . . 38
Storage . . . . . . . . . . . . . . . . . . . . . . . . . 94
Instruments and Controls . . . . . . . 99
Lighting . . . . . . . . . . . . . . . . . . . . . . . 147
Infotainment System . . . . . . . . . . 155
Climate Controls . . . . . . . . . . . . . . 156
Driving and Operating . . . . . . . . . 163
Vehicle Care . . . . . . . . . . . . . . . . . . 230
Service and Maintenance . . . . . 322
Technical Data . . . . . . . . . . . . . . . . 336
Customer Information . . . . . . . . . 340
Reporting Safety Defects . . . . . . 350
OnStar . . . . . . . . . . . . . . . . . . . . . . . . 354
Connected Services . . . . . . . . . . . 362
Index . . . . . . . . . . . . . . . . . . . . 365

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
2 Introduction
Introduction
The names, logos, emblems,
slogans, vehicle model names, and
vehicle body designs appearing in
this manual including, but not limited
to, GM, the GM logo, BUICK, the
BUICK Emblem, and REGAL are
trademarks and/or service marks of
General Motors LLC, its
subsidiaries, affiliates, or licensors.
For vehicles first sold in Canada,
substitute the name“General
Motors of Canada Company” for
Buick Motor Division wherever it
appears in this manual. This manual describes features that
may or may not be on the vehicle
because of optional equipment that
was not purchased on the vehicle,
model variants, country
specifications, features/applications
that may not be available in your
region, or changes subsequent to
the printing of this owner
’s manual.
Refer to the purchase
documentation relating to your
specific vehicle to confirm the
features.
Keep this manual in the vehicle for
quick reference.
Canadian Vehicle Owners
A French language manual can be
obtained from your dealer, at
www.helminc.com, or from:
Propriétaires Canadiens
On peut obtenir un exemplaire de
ce guide en français auprès du
concessionnaire ou à l'adresse
suivante:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
USA
Using this Manual
To quickly locate information about
the vehicle, use the Index in the
back of the manual. It is an
alphabetical list of what is in the
manual and the page number where
it can be found.
Litho in U.S.A.
Part No. 84388530 A First Printing©2019 General Motors LLC. All Rights Reserved.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Introduction 3
Danger, Warning, and
Caution
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
{Danger
Danger indicates a hazard with a
high level of risk which will result
in serious injury or death.
{Warning
Warning indicates a hazard that
could result in injury or death.
Caution
Caution indicates a hazard that
could result in property or vehicle
damage.
A circle with a slash through it is a
safety symbol which means“Do
not,” “Do not do this,” or“Do not let
this happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message,
gauge, or indicator.
M: Shown when the owner ’s
manual has additional instructions
or information.
*: Shown when the service
manual has additional instructions
or information.
0: Shown when there is more
information on another page —
“see page.” Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. See the
features in this manual for
information.
u:
Air Conditioning System
G:Air Conditioning Refrigerant Oil
9:Airbag Readiness Light
!:Antilock Brake System (ABS)
$:Brake System Warning Light
9:Dispose of Used Components
Properly
P: Do Not Apply High Pressure
Water
B: Engine Coolant Temperature
_: Flame/Fire Prohibited
H:Flammable
[:Forward Collision Alert
R: Fuse Block Cover Lock
Location
+: Fuses
j:ISOFIX/LATCH System Child
Restraints

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
4 Introduction
Q:Keep Fuse Block Covers
Properly Installed
|: Lane Change Alert
@:Lane Departure Warning
A:Lane Keep Assist
*:Malfunction Indicator Lamp
::Oil Pressure
X:Park Assist
~:Pedestrian Ahead Indicator
O:Power
7: Rear Cross Traffic Alert
I:Registered Technician
/:Remote Vehicle Start
>: Seat Belt Reminders
I:Side Blind Zone Alert
h:Stop/Start
7: Tire Pressure Monitor
d:Traction Control/StabiliTrak/
Electronic Stability Control (ESC)
a: Under Pressure
V:Vehicle Ahead Indicator

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Introduction 5
Instrument Panel Overview
Instrument Panel Overview

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
6 Introduction
1.Air Vents 0161.
2. Turn and Lane-Change Signals
0150.
3. Instrument Cluster 0107.
Driver Information Center (DIC)
Display. See Driver Information
Center (DIC) 0128.
4. Windshield Wiper/Washer
0100.
5. Hazard Warning Flashers
0150.
6. Light Sensor. See Automatic
Headlamp System 0148.
7. Infotainment 0155.
8. Traction Control/Electronic
Stability Control 0191.
9. Dual Automatic Climate Control
System 0156.
10. Transmitter Pocket. See Remote Keyless Entry (RKE)
System Operation 08. 11.
Lane Keep Assist (LKA) 0215
(If Equipped).
Park Assist Button (If
Equipped). See Driver
Assistance Systems 0203.
Selective Ride Control (GS
Models Only) 0192.
12. Wireless Charging 0103 (If
Equipped).
13. Shift Lever. See Automatic
Transmission 0184.
14. Electric Parking Brake 0188.
15. ENGINE START/STOP Button (Out of View). See Ignition
Positions 0176.
16. Steering Wheel Controls 0100.
Driver Information Center (DIC)
Controls. See Driver
Information Center (DIC) 0128.
17. Horn 0100.
18. Steering Wheel Adjustment
0100 (Out of View). 19.
Cruise Control 0194 (If
Equipped).
Adaptive Cruise Control 0196
(If Equipped).
Forward Collision Alert (FCA)
System 0207 (If Equipped).
Heated Steering Wheel 0100
(If Equipped).
20. Hood Release. See Hood
0 233.
21. Exterior Lamp Controls 0147.
Fog Lamps 0150.
22. Instrument Panel Fuse Block Cover. See Instrument Panel
Fuse Block 0263.
23. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp (Check Engine
Light) 0119.
24. Head-Up Display (HUD) 0133
(If Equipped).
25. Instrument Panel Illumination
Control 0151.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Keys, Doors, and Windows 7
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . 15
Door Locks . . . . . . . . . . . . . . . . . . . . 17
Power Door Locks . . . . . . . . . . . . . 19
Delayed Locking . . . . . . . . . . . . . . . 19
Automatic Door Locks . . . . . . . . . 19
Lockout Protection . . . . . . . . . . . . . 20
Safety Locks . . . . . . . . . . . . . . . . . . . 20
Doors
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . 21
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 29
Vehicle Alarm System . . . . . . . . . 29
Immobilizer . . . . . . . . . . . . . . . . . . . . 30
Immobilizer Operation . . . . . . . . . 30
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 31
Power Mirrors . . . . . . . . . . . . . . . . . . 31 Folding Mirrors . . . . . . . . . . . . . . . . . 32
Heated Mirrors . . . . . . . . . . . . . . . . . 32
Reverse Tilt Mirrors . . . . . . . . . . . . 32
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 33
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 33
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 33
Power Windows . . . . . . . . . . . . . . . 33
Sun Visors . . . . . . . . . . . . . . . . . . . . . 35
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 35
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with
a Remote Keyless Entry (RKE)
transmitter is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the RKE transmitter
in the vehicle, and children or
others could be caught in the path
of a closing window. Do not leave
children in a vehicle with an RKE
transmitter.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
8 Keys, Doors, and Windows
The key inside the Remote Keyless
Entry (RKE) transmitter can be used
for all locks.To remove the key, press the button
on the rear of the transmitter and
pull the key out. Never remove the
key without pressing the button.
If it becomes difficult to turn a key,
inspect the key blade for debris.
Periodically, clean with a brush or
a pick.
See your dealer if a new key is
needed.
If locked out of the vehicle, see
Roadside Assistance Program
0
344.
With an active OnStar or connected
service plan, an OnStar Advisor
may remotely unlock the vehicle.
See OnStar Overview 0354.
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement
0 350.
If there is a decrease in the Remote
Keyless Entry (RKE) operating
range: .
Check the distance. The
transmitter may be too far from
the vehicle.
. Check the location. Other
vehicles or objects may be
blocking the signal.
. Check the transmitter's battery.
See “Battery Replacement” later
in this section.
. If the transmitter is still not
working correctly, see your
dealer or a qualified technician
for service.
Remote Keyless Entry
(RKE) System Operation
The Keyless Access system allows
for vehicle entry when the Remote
Keyless Entry (RKE) transmitter is
within 1 m (3 ft). See “Keyless
Access Operation” later in this
section.
The RKE transmitter functions may
work up to 60 m (197 ft) away from
the vehicle.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Keys, Doors, and Windows 9
Other conditions can impact the
performance of the RKE transmitter.
SeeRemote Keyless Entry (RKE)
System 08.
Without Remote Start or Power
Liftgate
With Remote Start OnlyWith Remote Start and Power
Liftgate
K:Press to unlock the driver door.
Press
Kagain within five seconds
to unlock all doors and the liftgate.
The RKE transmitter can be
programmed to unlock all doors on
the first button press. See Vehicle
Personalization 0138.
The turn signal indicators may flash
to indicate unlocking. See Vehicle
Personalization 0138.