2018 BUICK ENCLAVE ECU

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
In Brief 13
4. Disconnect the center seat beltmini-latch, using a key in the
slot on the mini-buckle, and let
the belt retract into the
headliner.5. Stow the mini-latch in theholder in the headliner.
6. Pull the release strap locatedon the seatback. 7. Push the seatback forward to
lay flat.
8. Repeat for the other seatback, if necessary.
Returning the Seat to the
Seating Position
To return the seatback to the
seating position:
1. From the rear of the vehicle, raise the seatback to the
upright position using the pull
strap on the back of the third
row seat, or lift the seatback
and push it into place from
inside the vehicle.
2. Push and pull on the seatback to make sure it is locked in
place.
3. Reconnect the center seat belt mini-latch to the mini-buckle.
Do not let it twist.
4. Pull on the seat belt to be sure the mini-latch is secure.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
In Brief 25
The power outlets are:
.Under the front of the center
console.
. In the rear cargo area.
To use the outlets, remove the
cover.
See Power Outlets 0127.
Universal Remote System
If equipped, the Universal Remote
System allows for garage door
openers, security systems, and
home automation devices to be
programmed to work with these
buttons in the vehicle.
See Universal Remote System
0 162.
Sunroof
If equipped, the ignition must be on
or in ACC/ACCESSORY,
or Retained Accessory Power (RAP)
must be active to operate the
sunroof.
See Ignition Positions 0200 and
Retained Accessory Power (RAP)
0 205.
1. Sunroof Switch (SLIDE)
2. Vent Switch (TILT)

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
Keys, Doors, and Windows 29
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . 30
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . 30
Remote Vehicle Start . . . . . . . . . . 36
Door Locks . . . . . . . . . . . . . . . . . . . . 38
Power Door Locks . . . . . . . . . . . . . 40
Delayed Locking . . . . . . . . . . . . . . . 40
Automatic Door Locks . . . . . . . . . 40
Lockout Protection . . . . . . . . . . . . . 41
Safety Locks . . . . . . . . . . . . . . . . . . . 41
Doors
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . 42
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 49
Vehicle Alarm System . . . . . . . . . 49
Immobilizer . . . . . . . . . . . . . . . . . . . . 50
Immobilizer Operation . . . . . . . . . 50
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 51
Power Mirrors . . . . . . . . . . . . . . . . . . 51 Folding Mirrors . . . . . . . . . . . . . . . . . 51
Heated Mirrors . . . . . . . . . . . . . . . . . 52
Automatic Dimming Mirror . . . . . 52
Reverse Tilt Mirrors . . . . . . . . . . . . 52
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 53
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 53
Rear Camera Mirror . . . . . . . . . . . . 53
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 55
Power Windows . . . . . . . . . . . . . . . 55
Sun Visors . . . . . . . . . . . . . . . . . . . . . 57
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 58
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 Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
40 Keys, Doors, and Windows
To replace the cap:1. Position the bottom edge of the cap under the lower edge of
the metal piece (2). The
tabs (3) attach to the metal
piece (2) at the positions (1).
2. Rotate the cap upward and install into place.
3. Check that the cap is secure.
Free-Turning Locks
The door key lock cylinder turns
freely when either the wrong key is
used, or the correct key is not fully
inserted. The free-turning door lock
feature prevents the lock from being
forced open. To reset the lock, turn
it to the vertical position with the
correct key fully inserted. Remove
the key and insert it again. If this
does not reset the lock, turn the key
halfway around in the cylinder and
repeat the reset procedure.
Power Door Locks
Q: Press to lock the doors.
K:Press to unlock the doors.
Delayed Locking
This feature delays the locking of
the doors until five seconds after all
doors are closed.
When
Qis pressed on the power
door lock switch while the door is
open, a chime will sound three
times indicating delayed locking is
active. The doors will lock automatically
five seconds after all doors are
closed. If a door is reopened before
that time, the five-second timer will
reset when all doors are closed
again.
Press
Qon the door lock switch
again or press
Qon the RKE
transmitter to lock the doors
immediately.
This feature can also be
programmed. See Vehicle
Personalization 0154.
Automatic Door Locks
The doors will lock automatically
when all doors are closed, the
ignition is on, and the vehicle is
shifted out of P (Park).
If a vehicle door is unlocked and
then opened and closed, the doors
will lock either when your foot is
removed from the brake or the
vehicle speed becomes faster than
13 km/h (8 mph).

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
Keys, Doors, and Windows 43
Power Liftgate Operation
{Warning
You or others could be injured if
caught in the path of the power
liftgate. Make sure there is no one
in the way of the liftgate as it is
opening and closing.
Caution
Driving with an open and
unsecured liftgate may result in
damage to the power liftgate
components.
The switch is on the driver door. The
vehicle must be in P (Park).
The modes are:
.MAX: Opens to maximum
height.
. 3/4: Opens to a reduced height
that can be set from 3/4 to fully
open. Use to prevent the liftgate
from opening into overhead
obstructions such as a garage
door or roof-mounted cargo. The
liftgate can be manually opened
all the way.
. OFF: Opens manually only. To power open or close the liftgate,
select MAX or 3/4 mode.
.
Press
btwice quickly on the
RKE transmitter until the liftgate
moves.
. Press
8on the driver door.
The driver door must either be
unlocked or locked without the
security armed.
. Press the touch pad on the
underside of the liftgate handle
after unlocking all doors. The
RKE transmitter must be within
1 m (3 ft).

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
Keys, Doors, and Windows 49
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 liftgate
is open.
Slow Flash : Alarm system is
armed.
Arming the Alarm System
1. Close the liftgate 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.
. With a door open, press the
inside
Q.
3. After 30 seconds the alarm system 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.
The alarm will also be activated if a
passenger door, the liftgate, or the
hood is opened without first
disarming the system. When the
alarm is activated, the turn signals
flash and the horn sounds for about
30 seconds. The alarm system will
then re-arm to monitor for the next
unauthorized event.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
50 Keys, Doors, and Windows
Disarming the Alarm System
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.
. 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.
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 and the horn chirps
and the lights flash three times, the
alarm was activated while the alarm
system was armed. If the alarm system has been
activated, a message will appear on
the DIC.
Immobilizer
See
Radio Frequency Statement
0 365.
Immobilizer Operation
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 vehicle is
turned off.
The immobilization system is
disarmed when the ignition is on or
in ACC/ACCESSORY and a valid
transmitter is present in the vehicle.
The security light, in the instrument
cluster, comes on if there is a
problem with arming or disarming
the theft-deterrent system.
The system has one or more RKE
transmitters matched to an
immobilizer control unit in your
vehicle. Only a correctly matched
RKE 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 may come 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 vehicle will not change ignition
modes, and the RKE transmitter
appears to be undamaged, try
another transmitter. Or, you may try
placing the transmitter in the
transmitter pocket located in the
center console.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
60 Seats and Restraints
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 61
Front Seats
Power Seat Adjustment . . . . . . . . 63
Lumbar Adjustment . . . . . . . . . . . . 64
Reclining Seatbacks . . . . . . . . . . . 64
Memory Seats . . . . . . . . . . . . . . . . . 65
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . 68
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 70
Heated Rear Seats . . . . . . . . . . . . 72
Third Row Seats . . . . . . . . . . . . . . . 73
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . 75
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . 76
Lap-Shoulder Belt . . . . . . . . . . . . . 77
Seat Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . 81
Seat Belt Extender . . . . . . . . . . . . . 81
Safety System Check . . . . . . . . . . 82
Seat Belt Care . . . . . . . . . . . . . . . . . 82 Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . 82
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 83
Where Are the Airbags? . . . . . . . 85
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . 87
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . 88
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . 88
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . 88
Passenger Sensing System . . . 90
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . 94
Adding Equipment to the Airbag-Equipped Vehicle . . . . . 94
Airbag System Check . . . . . . . . . . 95
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . 95
Child Restraints
Older Children . . . . . . . . . . . . . . . . . 96
Infants and Young Children . . . . 97
Child Restraint Systems . . . . . . 100
Where to Put the Restraint . . . 101
Lower Anchors and Tethers forChildren (LATCH System) . . . 103 Replacing LATCH System
Parts After a Crash . . . . . . . . . . 111
Securing Child Restraints (With the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . 111
Securing Child Restraints (With the Seat Belt in the
Front Seat) . . . . . . . . . . . . . . . . . . 113