2020 BUICK REGAL climate control

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
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 15
Battery Replacement
{Warning
Never allow children to play with
the RKE transmitter. The
transmitter contains a small
battery, which can be a choking
hazard. If swallowed, internal
burns can occur, resulting in
severe injury or death. Seek
medical attention immediately if a
battery is swallowed.
Caution
When replacing the battery, do
not touch any of the circuitry on
the transmitter. Static from your
body could damage the
transmitter.
Caution
Always replace the battery with
the correct type. Replacing the
battery with an incorrect type
could potentially create a risk of
battery explosion. Dispose of
used batteries according to
instructions and local laws. Do
not attempt to burn, crush, or cut
the used battery, and avoid
exposing the battery to
environments with extremely low
air pressures or high
temperatures.
Replace the battery if the DIC
displays REPLACE BATTERY IN
REMOTE KEY.
The battery is not rechargeable. To
replace the battery: 1. Press the button on the rear of the transmitter and pull the key
out. Never remove the key
without pressing the button.
2. Remove the battery cover by prying it with a finger. 3. Remove the battery by pushing
on the battery and sliding it
toward the key blade.
4. Insert the new battery, positive side facing up. Push the
battery down until it is held in
place. Replace with a CR2032
or equivalent battery.
5. Snap the battery cover back on to the RKE transmitter.
6. Reinsert the key.
Remote Vehicle Start
If equipped, this feature allows the
engine to be started from outside
the vehicle.
/: This button will be on the RKE
transmitter if the vehicle has remote
start.
The climate control system will use
the previous settings during a
remote start. The rear defog may
come on during remote start based
on cold ambient conditions. The
rear fog indicator light does not
come on during remote start. If the
vehicle has heated and ventilated

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
16 Keys, Doors, and Windows
seats, they may come on during a
remote start. SeeHeated and
Ventilated Front Seats 048.
Laws in some local communities
may restrict the use of remote
starters. For example, some laws
require a person using remote start
to have the vehicle in view. Check
local regulations for any
requirements.
Do not use remote start if the
vehicle is low on fuel. The vehicle
may run out of fuel.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE)
System 08.
Starting the Vehicle
To start the engine using remote
start:
1. Press and release
Qon the
RKE transmitter. 2. Immediately press and hold
/
for at least four seconds or until
the turn signal lamps flash. The
turn signal lamps flashing
confirms the request to remote
start the vehicle has been
received.
When the engine starts, the parking
lamps will turn on and remain on as
long as the engine is running. The
doors will be locked and the climate
control system may come on.
The engine will continue to run for
15 minutes. Repeat the steps for a
15-minute time extension. Remote
start can be extended only once.
Turn the vehicle on before driving.
Extending Engine Run Time
The engine run time can also be
extended by another 15 minutes,
if during the first 15 minutes
Steps 1 and 2 are repeated while
the engine is still running. An
extension can be requested,
30 seconds after starting. This
provides a total of 30 minutes. The remote start can only be
extended once.
When the remote start is extended,
the second 15-minute period is
added to the first 15 minutes and
the engine will run for a total of
30 minutes.
A maximum of two remote starts,
or a remote start with an extension,
are allowed between ignition cycles.
The vehicle's ignition must be
turned on and then back off before
the remote start procedure can be
used again.
Canceling a Remote Start
To cancel a remote start, do one of
the following:
.
Aim the RKE transmitter at the
vehicle and press and hold
/
until the parking lamps turn off.
. Turn on the hazard warning
flashers.
. Turn the vehicle on and then off.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Keys, Doors, and Windows 21
To open a rear door when the safety
lock is on:1. Unlock the door by activating the inside handle, pressing the
power door lock switch,
or using the Remote Keyless
Entry (RKE) transmitter.
2. Open the door from the outside.
When the safety lock is enabled,
adults and older children will not be
able to open the rear door from the
inside. Cancel the safety locks to
enable the doors to open from the
inside.
To cancel the safety lock: 1. Unlock the door and open it from the outside.
2. Move the lever up to unlock. Do the same for the other door.Doors
Liftgate
{Warning
Exhaust gases can enter the
vehicle if it is driven with the
liftgate or trunk/hatch open,
or with any objects that pass
through the seal between the
body and the trunk/hatch or
liftgate. Engine exhaust contains
carbon monoxide (CO) which
cannot be seen or smelled. It can
cause unconsciousness and even
death.
If the vehicle must be driven with
the liftgate or trunk/hatch open:
. Close all of the windows.
. Fully open the air outlets on
or under the instrument
panel.
(Continued)
Warning (Continued)
.Adjust the climate control
system to a setting that
brings in only outside air
and set the fan speed to the
highest setting. See
“Climate Control Systems”
in the Index.
. If the vehicle is equipped
with a power liftgate, disable
the power liftgate function.
See Engine Exhaust 0183.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Keys, Doors, and Windows 23
Power Liftgate Operation
(Station Wagon)
{Warning
Exhaust gases can enter the
vehicle if it is driven with the
liftgate, trunk/hatch open, or with
any objects that pass through the
seal between the body and the
trunk/hatch or liftgate. Engine
exhaust contains carbon
monoxide (CO) which cannot be
seen or smelled. It can cause
unconsciousness and even death.
If the vehicle must be driven with
the liftgate, or trunk/hatch open:. Close all of the windows.
. Fully open the air outlets on
or under the instrument
panel.
(Continued)
Warning (Continued)
.Adjust the climate control
system to a setting that
brings in only outside air
and set the fan speed to the
highest setting. See
“Climate Control Systems”
in the Index.
. If the vehicle has a power
liftgate, disable the power
liftgate function.
For more information about
carbon monoxide, see Engine
Exhaust 0183.
Caution
Driving with an open and
unsecured liftgate may result in
damage to the power liftgate
components.
Caution
Manually forcing the liftgate to
open or close during a power
cycle can damage the vehicle.
Allow the power cycle to
complete.
If equipped, the power liftgate can
be operated by:
.
bon the RKE transmitter.
.
8on the inside of the
driver door.
. The touch pad under the
emblem.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
32 Keys, Doors, and Windows
Memory Mirrors
The vehicle may have memory
mirrors. SeeMemory Seats 045.
Folding Mirrors
Manual Folding Mirrors
The mirrors can be folded inward
toward the vehicle to prevent
damage when going through an
automatic car wash. Push the mirror
outward to return it to the original
position.
Heated Mirrors
The vehicle has heated outside
mirrors.
K:Press this button on the center
stack to heat the outside mirrors.
See “Rear Window Defogger” under
Dual Automatic Climate Control
System 0156.
Reverse Tilt Mirrors
If equipped with memory seats, the
passenger and/or driver mirror tilts
to a preselected position when the
vehicle is in R (Reverse). This
allows the curb to be seen when
parallel parking. The mirror(s) return
to the original position when:
.
The vehicle is shifted out of
R (Reverse), or remains in
R (Reverse) for about
30 seconds.
. The ignition is turned off.
. The vehicle is driven in
R (Reverse) above a set speed. Turn this feature on or off through
vehicle personalization. See
Vehicle
Personalization 0138.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
48 Seats and Restraints
.Power mirror, with the driver or
passenger side mirror selected
. Power steering wheel,
if equipped
Obstructions
If something has blocked the driver
seat and/or power steering wheel
while recalling a memory position,
the recall may stop. Remove the
obstruction and try the recall again.
If the memory position still does not
recall, see your dealer.
Heated and Ventilated
Front Seats
{Warning
If temperature change or pain to
the skin cannot be felt, the seat
heater may cause burns. To
reduce the risk of burns, use care
when using the seat heater,
especially for long periods of
time. Do not place anything on
the seat that insulates against (Continued)
Warning (Continued)
heat, such as a blanket, cushion,
cover, or similar item. This may
cause the seat heater to
overheat. An overheated seat
heater may cause a burn or may
damage the seat.
If equipped, the buttons are near the
climate controls on the center stack.
To operate, the engine must be
running.
Press
MorLto heat the driver or
passenger seat cushion. Press
Cor{to ventilate the driver
or passenger seat.
Press the button once for the
highest setting. With each press of
the button, the seat will change to
the next lower setting, and then to
the off setting. The indicator lights
next to the buttons indicate three for
the highest setting and one for the
lowest. If the heated seats are on
high, the level may automatically be
lowered after approximately
30 minutes.
When this feature is off, the heated
and ventilated seat symbols on the
buttons are white. A ventilated seat
has a fan that pulls or pushes air
through the seat. The air is not
cooled. When a heated seat is
turned on, the symbol turns red.
When a ventilated seat is turned on,
the symbol turns blue.
The passenger seat may take
longer to heat up.