2017 BUICK REGAL ECU

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9804381) - 2017 - crc - 8/30/16
20 In Brief
SeeAssistance Systems for Parking
or Backing 0196.
Power Outlets
The accessory power outlet can be
used to plug in electrical equipment,
such as a cell phone or MP3 player.
There are two 12-volt accessory
power outlets located:
.
On the center stack next to the
ashtray.
. Inside the center console.
The outlet is powered when the
ignition is in ON/RUN or ACC/
ACCESSORY, or until the driver
door is opened within 10 minutes of
turning off the vehicle. See Retained
Accessory Power (RAP) 0173.
Open the protective cover to use the
accessory power outlet.
See Power Outlets 098.
Universal Remote System
If equipped, this system provides a
way to replace up to three remote
control transmitters used to activate
devices such as garage door
openers, security systems, and
home automation devices.
Read the instructions completely
before attempting to program the
Universal Remote system. Because
of the steps involved, it may be
helpful to have another person
available to assist with programming
the Universal Remote system.
See Universal Remote System
0 140.
Sunroof
If equipped, the sunroof only
operates when the ignition is in ON/
RUN or ACC/ACCESSORY or in
Retained Accessory Power (RAP).
See Retained Accessory Power
(RAP) 0173.
Open/Close : Press
e(1) to the
first detent to open the sunroof.
Press
g(1) to the first detent to
close.
Express-Open/Express-Close :
Press
e(1) to the second detent
and release to express-open the
sunroof with the safety function

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9804381) - 2017 - crc - 8/30/16
24 Keys, Doors, and Windows
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . 26
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . 26
Remote Vehicle Start . . . . . . . . . . 32
Door Locks . . . . . . . . . . . . . . . . . . . . 34
Power Door Locks . . . . . . . . . . . . . 34
Delayed Locking . . . . . . . . . . . . . . . 35
Automatic Door Locks . . . . . . . . . 35
Lockout Protection . . . . . . . . . . . . . 35
Safety Locks . . . . . . . . . . . . . . . . . . . 36
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 38
Vehicle Alarm System . . . . . . . . . 38
Immobilizer . . . . . . . . . . . . . . . . . . . . 39
Immobilizer Operation (Key Access) . . . . . . . . . . . . . . . . . . . . . . 39
Immobilizer Operation (Keyless Access) . . . . . . . . . . . . . . . . . . . . . . 40
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 41
Power Mirrors . . . . . . . . . . . . . . . . . . 41
Folding Mirrors . . . . . . . . . . . . . . . . . 42
Heated Mirrors . . . . . . . . . . . . . . . . . 42
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 42
Automatic Dimming RearviewMirror . . . . . . . . . . . . . . . . . . . . . . . . . 42
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 42
Power Windows . . . . . . . . . . . . . . . 43
Sun Visors . . . . . . . . . . . . . . . . . . . . . 44
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 44
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with
an ignition key or Remote
Keyless Entry (RKE) transmitter is
dangerous and children or others
could be seriously injured or
killed. They could operate the
power window or other controls or
make the vehicle move. The
windows will function with the key
in the ignition or 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 the ignition key or an RKE
transmitter.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9804381) - 2017 - crc - 8/30/16
Keys, Doors, and Windows 29
Remote Left In Vehicle Alert
When the vehicle is turned off and a
remote is left in the vehicle, the horn
will chirp three times after all doors
are closed. To turn on or off see
Vehicle Personalization0134.
Keyless Trunk Opening
Press the touch pad under the
emblem to open the trunk if the RKE
transmitter is within 1 m (3 ft).
Key Access
To access a vehicle with a weak
transmitter battery, see Door Locks
0 34.
Programming Transmitters to
the Vehicle
Only RKE transmitters programmed
to the vehicle will work. If a
transmitter is lost or stolen, a
replacement can be purchased and
programmed through your dealer.
The vehicle can be reprogrammed
so that lost or stolen transmitters no
longer work. Any remaining
transmitters will need to be reprogrammed. Each vehicle can
have up to eight transmitters
matched to it.
Programming with a Recognized
Transmitter (Key Vehicles Only)
To program a new key:
1. Insert the original, already programmed key in the ignition
and turn the key to the ON/
RUN position.
2. Turn the key to LOCK/OFF, and remove the key.
3. Insert the new key to be programmed and turn it to the
ON/RUN position within
five seconds.
The security light will turn off
once the key has been
programmed.
4. Repeat Steps 1–3 if additional keys are to be programmed.
If a key is lost or damaged, see your
dealer to have a new key made. Programming without a
Recognized Transmitter (Key
Vehicles Only)
Program a new key to the vehicle
when a recognized key is not
available. Canadian regulations
require that owners see their dealer.
If there are no currently recognized
keys available, follow this procedure
to program the first key.
This procedure will take
approximately 30 minutes to
complete for the first key. The
vehicle must be off and all of the
keys you wish to program must be
with you.
1. Insert the new vehicle key into the ignition.
2. Turn to ON/RUN. The security light will come on.
3. Wait 10 minutes until the security light turns off.
4. Turn the ignition to LOCK/OFF.
5. Repeat Steps 2–4 two more times. After the third time, turn
to ON/RUN; the key is learned

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 37
Warning (Continued)
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 0175.
Trunk Release
The vehicle must be in P (Park).
Press|on the driver door.
Press and hold
Yon the Remote
Keyless Entry (RKE) transmitter.
Press the touch pad under the
vehicle emblem after unlocking all
doors.
If equipped with Keyless Access,
the trunk can be opened while the
vehicle is locked by pressing the
touch pad above the license plate
while the RKE transmitter is within
1 m (3 ft) of the rear of the vehicle.
To close the trunk, use the pull cup.
Emergency Trunk Release
Handle
Caution
Do not use the emergency trunk
release handle as a tie-down or
anchor point when securing items
in the trunk as it could damage
the handle.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9804381) - 2017 - crc - 8/30/16
38 Keys, Doors, and Windows
There is a glow-in-the-dark
emergency trunk release handle on
the trunk lid. This handle will glow
following exposure to light. Pull the
release handle to open the trunk
from the inside.
After use, return to the stored
position.
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
the vehicle impossible to steal.
Vehicle Alarm System
This vehicle has an anti-theft alarm
system.
The indicator light, on the
instrument panel near the
windshield, indicates the status of
the system:
Off :Alarm system is disarmed. On Solid :
Vehicle is secured
during the delay to arm the system.
Fast Flash : Vehicle is unsecured.
A door, the hood, or the trunk
is open.
Slow Flash : Alarm system is
armed.
Arming the Alarm System
1. Close the trunk and the hood. Turn off the vehicle.
2. Lock the vehicle in one of three ways:
.Use the RKE transmitter.
. Use the Keyless Access
system, if equipped.
. With a door open, press
Q
on the interior of the door.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 39
3. After 30 seconds the alarmsystem will arm, and the
indicator light will begin to
slowly flash indicating the
alarm system is operating.
Pressing
Qon the RKE
transmitter a second time will
bypass the 30-second delay
and immediately arm the alarm
system.
The vehicle alarm system will not
arm if the doors are locked with
the key.
If the driver door is opened without
first unlocking with the RKE
transmitter, the horn will chirp and
the lights will flash to indicate
pre-alarm. If the vehicle is not
started, or the door is not unlocked
by pressing
Kon the RKE
transmitter during the 10-second
pre-alarm, the alarm will be
activated.
If a door, the hood, or the trunk is
opened without first disarming the
system, the turn signals will flash
and the horn will sound for about 30 seconds. The alarm system will
then re-arm to monitor for the next
unauthorized event.
Disarming the Alarm System
Do one of the following to disarm
the alarm system or turn off the
alarm if it has been activated:
.
Press
Kon the RKE transmitter.
. Unlock the vehicle using the
Keyless Access system,
if equipped.
. Start the vehicle.
To avoid setting off the alarm by
accident:
. Lock the vehicle after all
occupants have left the vehicle
and all doors are closed.
. Always unlock a door with the
RKE transmitter or use the
Keyless Access system,
if equipped.
Unlocking the driver door with the
key will not disarm the system or
turn off the alarm.
How to Detect a Tamper
Condition
IfKis pressed on the RKE
transmitter and the horn chirps three
times, an alarm occurred previously
while the alarm system was armed.
If the alarm has been activated, a
message will appear on the DIC.
See Security Messages 0132.
Immobilizer
See Radio Frequency Statement
0 319.
Immobilizer Operation
(Key Access)
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the key is
removed from the ignition.
The system is automatically
disarmed when the vehicle is
started with the correct key. The key

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9804381) - 2017 - crc - 8/30/16
40 Keys, Doors, and Windows
uses a transponder that matches an
immobilizer control unit in the
vehicle and automatically disarms
the system. Only the correct key
starts the vehicle. The vehicle may
not start if the key is damaged.
The security light in the instrument
cluster comes on if there is a
problem with arming or disarming
the theft-deterrent system.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and try again.
If the engine still does not start, and
the key appears to be undamaged
or the light continues to stay on, try
another ignition key.If the engine still does not start with
the other key, the vehicle needs
service. If the vehicle does start, the
first key may be damaged. See your
dealer who can service the
theft-deterrent system and have a
new key made.
Do not leave the key or device that
disarms or deactivates the
theft-deterrent system in the vehicle.
Immobilizer Operation
(Keyless Access)
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the transmitter
leaves the vehicle.
The immobilization system is
disarmed when the ignition button is
pushed in and a valid transmitter is
in the vehicle.
The security light on the instrument
cluster comes on when there is a
problem with arming or disarming
the theft-deterrent system.
The system has one or more
transmitters matched to an
immobilizer control unit in the
vehicle. Only a correctly matched
transmitter will start the vehicle.
If the transmitter is ever damaged,
you may not be able to start your
vehicle.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the vehicle does not start and the
security light stays on, there is a
problem with the system. Turn the
vehicle off and try again.
If the RKE transmitter appears to be
undamaged, try another transmitter,
or place the transmitter in the
transmitter pocket. See
“Starting the

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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46 Seats and Restraints
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 47
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . 48
Power Seat Adjustment . . . . . . . . 49
Lumbar Adjustment . . . . . . . . . . . . 49
Reclining Seatbacks . . . . . . . . . . . 49
Memory Seats . . . . . . . . . . . . . . . . . 51
Heated Front Seats . . . . . . . . . . . . 52
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 53
Safety Belts
Safety Belts . . . . . . . . . . . . . . . . . . . . 55
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . . 56
Lap-Shoulder Belt . . . . . . . . . . . . . 57
Safety Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . 59
Safety Belt Extender . . . . . . . . . . . 59
Safety System Check . . . . . . . . . . 60
Safety Belt Care . . . . . . . . . . . . . . . 60
Replacing Safety Belt System Parts after a Crash . . . . . . . . . . . 60
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 61
Where Are the Airbags? . . . . . . . 63
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . 64
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . 65
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . 65
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . 65
Passenger Sensing System . . . 67
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . 71
Adding Equipment to the Airbag-Equipped Vehicle . . . . . 71
Airbag System Check . . . . . . . . . . 72
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . 72
Child Restraints
Older Children . . . . . . . . . . . . . . . . . 72
Infants and Young Children . . . . 74
Child Restraint Systems . . . . . . . 76
Where to Put the Restraint . . . . . 78
Lower Anchors and Tethers forChildren (LATCH System) . . . . 79
Replacing LATCH System Parts After a Crash . . . . . . . . . . . . . . . . . 86 Securing Child Restraints (With
the Safety Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . . 86
Securing Child Restraints (With the Safety Belt in the
Front Seat) . . . . . . . . . . . . . . . . . . . 89