engine BUICK ENCLAVE 2021 Owners Manual

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14637843) - 2021 - CRC - 12/9/20
2 Introduction
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.
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 Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14637843) - 2021 - CRC - 12/9/20
Introduction 5
1.Air Vents 0188.
2. Turn Signal Lever. See Turn and
Lane-Change Signals 0125.
IntelliBeam System Button (If Equipped).
See Exterior Lamp Controls 0122.
3. Manual Mode 0213.
4. Instrument Cluster (Uplevel) 096 or
Instrument Cluster (Base Level) 094.
Driver Information Center (DIC) Display.
See Driver Information Center (DIC) (Base
Level) 0109 or
Driver Information Center (DIC) (Uplevel)
0 111.
5. Windshield Wiper/Washer 088.
6. Traction Control/Electronic Stability
Control 0217.
All-Wheel Drive Button (If Equipped). See
Driver Mode Control 0218.
Sport Mode Button (If Equipped) or Tow/
Haul Mode Button (If Equipped). See
Driver Mode Control 0218.
7. Light Sensor. See Automatic Headlamp
System 0124. 8.
Hazard Warning Flashers 0125.
Assistance Systems for Parking or Backing
0 231 (If Equipped).
Lane Keep Assist (LKA) 0242 (If
Equipped).
9. Infotainment Controls. See Overview
0 130.
10. Dual Automatic Climate Control System
0183.
Heated and Ventilated Front Seats 040
(If Equipped).
11. Wireless Charging 091 (If Equipped).
12. Shift Lever. See Automatic Transmission
0 210.
13. ENGINE START/STOP Button. See Ignition
Positions 0203.
14. Steering Wheel Controls 087.
15. Horn 088.
16. Steering Wheel Adjustment 087 (Out
of View). 17.
Cruise Control 0219.
Adaptive Cruise Control (Advanced) 0221
(If Equipped).
Heated Steering Wheel 087 (If
Equipped).
Forward Collision Alert (FCA) System
0 235 (If Equipped).
18. Hood Release. See Hood0259.
19. Data Link Connector (DLC) (Out of View). SeeMalfunction Indicator Lamp (Check
Engine Light) 0102.
20. Exterior Lamp Controls 0122.
21. Instrument Panel Illumination Control
0125.
22. Electric Parking Brake 0215.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14637843) - 2021 - CRC - 12/9/20
8 Keys, Doors, and Windows
Q:Press to lock all doors. The turn signal
indicators may flash and/or the horn may
sound on the second press to indicate
locking. See Vehicle Personalization 0114.
If the driver door is open when
Qis
pressed, and Open Door Anti-Lockout is
enabled through vehicle personalization, all
doors will lock and then the driver door will
immediately unlock. See Vehicle
Personalization 0114. If the passenger door
is open when
Qis pressed, all doors lock.
Pressing
Qmay also arm the theft-deterrent
system. See Vehicle Alarm System 025.
If equipped with auto mirror folding, press
and hold
Qfor one second to fold the
mirrors, if enabled. See Vehicle
Personalization 0114.
K:Press to unlock the driver door. Press
unlock again within five seconds to unlock
all doors. The RKE transmitter can be
programmed to unlock all doors on the first
button press. See Vehicle Personalization
0 114. When remotely unlocking the vehicle
at night the back-up lamps will come on for
about 30 seconds to light your approach to the vehicle. The turn signal indicators may
flash to indicate unlocking. See
Vehicle
Personalization 0114.
Pressing
Kwill disarm the theft-deterrent
system. See Vehicle Alarm System 025.
If equipped with auto mirror folding, press
and hold
Kfor one second to unfold the
mirrors, if enabled. See Vehicle
Personalization 0114.
If equipped with remote windows, press and
hold
Kto open all of the windows,
if enabled. See Vehicle Personalization 0114.
/:Press and releaseQand then
immediately press and hold
/for at least
four seconds to start the engine from
outside the vehicle using the RKE
transmitter. See Remote Vehicle Start 013.
7:Press and release one time to initiate
vehicle locator. The exterior lamps flash and
the horn chirps three times. Press and hold
7for three seconds to sound the panic
alarm. The horn sounds and the turn signal
lamps flash for 30 seconds, or until
7is
pressed again or the vehicle is started.
b: If equipped, press twice quickly to
open or close the liftgate. Press once to stop the liftgate from moving.
Keyless Access Operation
With the Keyless Access system, you can
lock and unlock the doors and access the
liftgate without removing the RKE
transmitter from your pocket, purse,
briefcase, etc. The RKE transmitter should be
within 1 m (3 ft) of the liftgate or door being
opened. The buttons are on the outside door
handles.
Keyless Access can be programmed to
unlock all doors on the first lock/unlock
press from the driver door. Keyless
Unlocking can also be turned off. See
Vehicle
Personalization 0114.
If equipped with memory seats, RKE
transmitters 1 and 2 are linked to seating
positions of memory 1 or 2. See Memory
Seats 037.
Keyless Unlocking/Locking from the
Driver Door
When the doors are locked and the RKE
transmitter is within 1 m (3 ft) of the driver
door handle, pressing the lock/unlock button
on the driver door handle will unlock the

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 11
5. Press ENGINE START/STOP. When thetransmitter is learned the DIC display
will show that it is ready to program the
next transmitter.
6. Remove the transmitter from the transmitter pocket and press the
transmitter
KorQbutton.
To program additional transmitters,
repeat Steps 3–5.
When all additional transmitters are
programmed, press and hold ENGINE
START/STOP for 12 seconds to exit
programming mode.
7. Put the key back into the transmitter.
8. Replace the key lock cylinder cap. See Door Locks 015.
Programming without Recognized
Transmitters
If two currently recognized transmitters are
not available, follow this procedure to
program up to eight transmitters. This
feature is not available in Canada. This
procedure will take approximately
30 minutes to complete. The vehicle must
be off and all of the transmitters you wish
to program must be with you. 1. Press the button on the side of the RKE
transmitter near the bottom and pull the
key out. Never pull the key out without
pressing the button.
2. Remove the key lock cylinder cap on the driver door handle. See Door Locks015.
Insert the vehicle key of the transmitter
into the key lock cylinder on the driver
door handle and turn the key,
counterclockwise, to the unlock position
five times within 10 seconds.
The DIC displays REMOTE LEARN
PENDING, PLEASE WAIT.
3. Wait for 10 minutes until the DIC displays PRESS ENGINE START BUTTON TO
LEARN and then press ENGINE
START/STOP.
The DIC display will again show REMOTE
LEARN PENDING, PLEASE WAIT.
4. Repeat Step 2 two additional times. After the third time all previously known
transmitters will no longer work with the
vehicle. Remaining transmitters can be
relearned during the next steps.
The DIC display should now show READY
FOR REMOTE # 1.
5. Remove the top tray and the rubber matinside the center console storage area.
Place the new transmitter into the
transmitter pocket.
6. Press ENGINE START/STOP. When the transmitter is learned the DIC display
will show that it is ready to program the
next transmitter.
7. Remove the transmitter from the transmitter pocket and press the
transmitter
KorQbutton.
To program additional transmitters,
repeat Steps 4–6.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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12 Keys, Doors, and Windows
When all additional transmitters are
programmed, press and hold ENGINE
START/STOP for 12 seconds to exit
programming mode.
8. Put the key back into the transmitter.
9. Replace the key lock cylinder cap. See Door Locks 015.
Starting the Vehicle with a Low
Transmitter Battery
When the vehicle is started, if the
transmitter battery is weak, the DIC may
display NO REMOTE DETECTED or NO
REMOTE KEY WAS DETECTED PLACE KEY IN
TRANSMITTER POCKET THEN START YOUR
VEHICLE. The DIC may also display REPLACE
BATTERY IN REMOTE KEY. To start the vehicle:
1. Remove the top tray and the rubber mat
inside the center console storage area.
Place the new transmitter into the
transmitter pocket.
2. With the vehicle in P (Park) or N (Neutral), press the brake pedal and
ENGINE START/STOP.
Replace the transmitter battery as soon
as possible.
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.
{Warning
To avoid personal injury, do not touch
metal surfaces on the RKE transmitter
when it has been exposed to extreme
heat. These surfaces can be hot to the
touch at temperatures above 59 °C
(138 °F).
Caution
When replacing the battery, do not touch
any of the circuitry on the transmitter.
Static from your body could damage the
transmitter.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 13
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 in the transmitter soon
if the DIC displays REPLACE BATTERY IN
REMOTE KEY.
To replace the battery:
1. Press the button on the bottom of the RKE transmitter to remove the key.
Never pull the key out without pressing
the button.
2. Insert a flat, thin object and remove theback cover.
3. Remove the old battery using a flat, nonmetal object.
4. Insert the new battery, positive side toward the back cover. Replace with a
CR2032 or equivalent battery.
5. Push together the transmitter.
6. Insert the key back into the RKE transmitter.
Remote Vehicle Start
The vehicle has a remote starting feature
that starts the engine from outside of the
vehicle.
/:This button is on the RKE transmitter.
Laws in some communities may restrict the
use of remote starters. For example, some
laws may require a person using the remote
start to have the vehicle in view when doing
so. Check local regulations for any
requirements on remote starting of vehicles.
Do not use the remote start feature if the
vehicle is low on fuel. The vehicle could run
out of fuel.
The RKE transmitter range may be less while
the vehicle is running.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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14 Keys, Doors, and Windows
Other conditions can affect the performance
of the transmitter. SeeRemote Keyless Entry
(RKE) System 07.
Starting the Engine Using Remote Start
To start the vehicle:
1. Press and release
Qon the RKE
transmitter.
2. Immediately after completing Step 1, press and hold
/until the lamps flash.
If the vehicle's lights cannot be seen,
press and hold
/for at least
four seconds.
When the vehicle starts, the park lamps will
turn on and remain on as long as the
engine is running. The doors will be locked
and the climate control system will operate
automatically if the vehicle has the
automatic system, or at the same setting as
when the vehicle was last turned off.
With an automatic climate control system
and if equipped with heated seats, the
heated seats turn on during colder outside
temperatures and shut off when the ignition
is turned on. See Heated and Ventilated
Front Seats 040. If equipped with an auto heated steering
wheel, it may come on during a remote
start. See
Heated Steering Wheel 087.
The rear window defogger and heated
mirrors, if equipped, turn on during colder
outside temperatures and turn off when the
ignition is turned on.
After entering the vehicle during a remote
start, press the brake and ENGINE START/
STOP with the transmitter in the vehicle to
drive the vehicle.
If the vehicle is left running, it automatically
shuts off after 15 minutes unless a time
extension has been done.
Extending Engine Run Time
To extend the engine run time by
15 minutes, repeat Steps 1 and 2 while the
engine is still running. An extension can be
requested 30 seconds after starting. The
engine run time can only be extended if it is
the first remote start since the vehicle has
been driven. Remote start can be extended
one time.
If the remote start procedure is used again
while the engine is still running, 15 minutes
will be added on for a total of 30 minutes. For example, if
Qand then/are pressed
again while the engine is still running,
15 minutes will be added on for a total of
30 minutes.
A maximum of two remote starts or remote
start with an extension are allowed between
ignition cycles.
After the vehicle's engine has been started
two times using the remote start button or
a start with an extension, the ignition must
be turned on and then back off before the
remote start procedure can be used again.
Canceling a Remote Start
To manually shut off a remote start:
.Press and hold/until the lamps
turn off.
.Turn on the hazard warning flashers.
.Turn the ignition switch on and then off.
Conditions in Which the Remote Start
Will Not Work
The remote start will not operate if any of
the following occur:
.The hood is open.
.The vehicle is on.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 15
.There is an emission control system
malfunction.
.The vehicle is not in park.
.The hazard switch is on.
.Two remote starts or a remote start with
an extension have already been used.
The engine turns off during a remote start if
the coolant temperature gets too high or if
the oil pressure gets low.
Door Locks
{Warning
Unlocked doors can be dangerous.
.Passengers, especially children, can
easily open the doors and fall out of a
moving vehicle. The doors can be
unlocked and opened while the vehicle
is moving. The chance of being thrown
out of the vehicle in a crash is
increased if the doors are not locked.
So, all passengers should wear seat
belts properly and the doors should be
locked whenever the vehicle is driven.
.Young children who get into unlocked
vehicles may be unable to get out.
A child can be overcome by extreme (Continued)
Warning (Continued)
heat and can suffer permanent injuries
or even death from heat stroke.
Always lock the vehicle whenever
leaving it.
.Outsiders can easily enter through an
unlocked door when you slow down
or stop the vehicle. Locking the doors
can help prevent this from happening.
To lock/unlock the doors from the outside:
.PressQorKon the Remote Keyless
Entry (RKE) transmitter. See Remote
Keyless Entry (RKE) System Operation 07.
.Use the key in the driver door. The key
lock cylinder is covered with a cap.
To lock/unlock the doors from the inside:
.PressQorKon the power door lock
switch.
.Push down on the door lock knob to lock
a door.
.Pull the door handle once to unlock it.
Pull the door handle again to unlatch it. Keyless Access
The RKE transmitter must be within 1 m
(3 ft) of the liftgate or door being opened.
Press the button on the door handle to
open. See
Remote Keyless Entry (RKE)
System Operation 07.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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18 Keys, Doors, and Windows
Safety Locks
The rear door safety locks prevent
passengers from opening the rear doors
from inside the vehicle.
Manual Safety Locks
If equipped, the safety lock is on the inside
edge of the rear doors. To use the
safety lock:1. Move the lever down to the lock position.
2. Close the door.
3. Do the same for the other rear door.
To open a rear door when the safety lock
is on: 1. Unlock the door by activating the inside
handle, by pressing the power door lock
switch, or by 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
(Continued)
Warning (Continued)
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.
.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 0209.
Caution
To avoid damage to the liftgate or
liftgate glass, make sure the area above
and behind the liftgate is clear before
opening it.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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26 Keys, Doors, and Windows
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 0346.
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. See Remote Keyless Entry (RKE)
System Operation 07. If the ignition mode will not change with
the other transmitter or with a transmitter
in the transmitter pocket, your vehicle needs
service. If the ignition does change modes,
the first transmitter may be faulty. See your
dealer who can service the theft-deterrent
system and have a new RKE transmitter
programmed to the vehicle.
It is possible for the immobilizer system to
learn new or replacement RKE transmitters.
Up to eight transmitters can be
programmed for the vehicle. To program
additional transmitters, see
“Programming
Transmitters to the Vehicle” underRemote
Keyless Entry (RKE) System Operation 07.
Do not leave the transmitter or device that
disarms or deactivates the theft-deterrent
system in the vehicle.
Exterior Mirrors
Convex Mirrors
{Warning
A convex mirror can make things, like
other vehicles, look farther away than
they really are. If you cut too sharply (Continued)