engine BUICK ENCLAVE 2022 Service Manual

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
188 Infotainment System
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Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
Climate Controls 193
may slightly increase to help prevent
fogging. If the climate control system does
not detect possible window fogging, it
returns to normal operation.
To turn Auto Defog off or on, see“Climate
and Air Quality” underVehicle
Personalization 0122.
Ionizer : If equipped with an ionizer, this
feature helps to clean the air inside the
vehicle and remove contaminants such as
pollen, odors, and dust. If the climate
control system is on and the ionizer is
enabled, Ionizer On will be displayed. To
turn the ionizer on or off, see “Climate and
Air Quality” underVehicle Personalization
0 122.
Rear Window Defogger
K:Press to turn the rear window defogger
on or off. An indicator light on the button
comes on to show that the rear window
defogger is on. The rear window defogger
only works when the engine is running.
It turns off when the ignition is turned off
or in ACC/ACCESSORY.
The rear window defogger can be set to
automatic operation. See “Climate and Air
Quality” underVehicle Personalization 0122.
When Auto Rear Defog is selected, the rear window defogger turns on automatically
when the interior temperature is cold and
the outside temperature is about 4 °C (40 °F)
and below. The auto rear defogger turns off
automatically after about 10 minutes,
or after five minutes if the outside
temperature is not as cold.
The upper gridlines on the rear window are
antenna lines and are not intended to heat
when the defogger is activated.
The heated outside mirrors turn on when
the rear window defogger button is on and
help to clear fog or frost from the surface of
the mirror. See
Heated Mirrors028.
Caution
Do not try to clear frost or other material
from the inside of the front windshield
and rear window with a razor blade or
anything else that is sharp. This may
damage the rear window defogger grid
and affect the radio's ability to pick up
stations clearly. The repairs would not be
covered by the vehicle warranty.
Heated and Ventilated Seats
MorL:If equipped, pressMorLto
heat the driver or passenger seat.
Cor{: If equipped, pressCor{to
ventilate the driver or passenger seat. See
Heated and Ventilated Front Seats 041.
Remote Start Climate Control Operation :
The climate control system may run when
the vehicle is started remotely. If the vehicle
has heated or ventilated seats, they may
come on during a remote start. See Remote
Vehicle Start 014 and
Heated and Ventilated Front Seats 041.
Sensors
The solar sensor, on top of the instrument
panel near the windshield, monitors the
solar heat.
The climate control system uses the sensor
information to adjust the temperature, fan
speed, recirculation, and air delivery mode
for best comfort.
Do not cover the sensor; otherwise the
automatic climate control system may not
work properly.
Afterblow Feature
If equipped, under certain conditions, the
fan may stay on or may turn on and off
several times after you turn off and lock the
vehicle. This is normal.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Driving and Operating 197
Driving and Operating
Driving Information
Driving for Better Fuel Economy . . . . . . . 198
Distracted Driving . . . . . . . . . . . . . . . . . . . . . 198
Defensive Driving . . . . . . . . . . . . . . . . . . . . . . 199
Impaired Driving . . . . . . . . . . . . . . . . . . . . . . 199
Control of a Vehicle . . . . . . . . . . . . . . . . . . . 199
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 201
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . 201
Off-Road Driving . . . . . . . . . . . . . . . . . . . . . . . 201
Driving on Wet Roads . . . . . . . . . . . . . . . . . 205
Hill and Mountain Roads . . . . . . . . . . . . . . 205
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . 206
If the Vehicle Is Stuck . . . . . . . . . . . . . . . . . 207
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . 208
Starting and Operating
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . 211
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . 211
Starting the Engine . . . . . . . . . . . . . . . . . . . . 213
Stop/Start System . . . . . . . . . . . . . . . . . . . . . 213
Engine Heater . . . . . . . . . . . . . . . . . . . . . . . . . 214
Retained Accessory Power (RAP) . . . . . . . 216Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 216
Shifting out of Park . . . . . . . . . . . . . . . . . . . . 217
Parking over Things That Burn . . . . . . . . . 217
Extended Parking . . . . . . . . . . . . . . . . . . . . . . 217
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . 217
Running the Vehicle While Parked . . . . . 218
Automatic Transmission
Automatic Transmission . . . . . . . . . . . . . . . 218
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Drive Systems
All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . . . . 222
Brakes
Antilock Brake System (ABS) . . . . . . . . . . . 222
Electric Parking Brake . . . . . . . . . . . . . . . . . . 223
Brake Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Hill Start Assist (HSA) . . . . . . . . . . . . . . . . . 224
Ride Control Systems
Traction Control/Electronic Stability
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Driver Mode Control . . . . . . . . . . . . . . . . . . 226
Cruise Control
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . 227
Adaptive Cruise Control (Advanced) . . . 229
Driver Assistance Systems
Driver Assistance Systems . . . . . . . . . . . . . 237
Assistance Systems for Parking or Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Rear Vision Camera (RVC) . . . . . . . . . . . . . 239
Surround Vision System . . . . . . . . . . . . . . . 240
Park Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Rear Pedestrian Alert . . . . . . . . . . . . . . . . . . 243
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Assistance Systems for Driving . . . . . . . . 244
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Automatic Emergency Braking (AEB) . . . 247
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Side Blind Zone Alert (SBZA) . . . . . . . . . . 250
Lane Change Alert (LCA) . . . . . . . . . . . . . . . 250
Lane Keep Assist (LKA) . . . . . . . . . . . . . . . . . 252
Fuel
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Recommended Fuel . . . . . . . . . . . . . . . . . . . . 254
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 254
Fuels in Foreign Countries . . . . . . . . . . . . . 254
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . 254
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . 255
Filling a Portable Fuel Container . . . . . . . 256

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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198 Driving and Operating
Trailer Towing
General Towing Information . . . . . . . . . . . 256
Driving Characteristics andTowing Tips . . . . . . . . . . . . . . . . . . . . . . . . . 256
Trailer Towing . . . . . . . . . . . . . . . . . . . . . . . . 260
Towing Equipment . . . . . . . . . . . . . . . . . . . . 263
Trailer Sway Control (TSC) . . . . . . . . . . . . 266
Conversions and Add-Ons
Add-On Electrical Equipment . . . . . . . . . . . 267
Driving Information
Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here
are some driving tips to get the best fuel
economy possible.
.Set the climate controls to the desired
temperature after the engine is started,
or turn them off when not required.
.On AWD vehicles, see Driver Mode Control
0 226.
.Avoid fast starts and accelerate smoothly.
.Brake gradually and avoid abrupt stops.
.Avoid idling the engine for long periods
of time.
.When road and weather conditions are
appropriate, use cruise control.
.Always follow posted speed limits or
drive more slowly when conditions
require.
.Keep vehicle tires properly inflated.
.Combine several trips into a single trip.
.Replace the vehicle's tires with the same
TPC Spec number molded into the tire's
sidewall near the size.
.Follow recommended scheduled
maintenance.
Distracted Driving
Distraction comes in many forms and can
take your focus from the task of driving.
Exercise good judgment and do not let other
activities divert your attention away from
the road. Many local governments have
enacted laws regarding driver distraction.
Become familiar with the local laws in
your area.
To avoid distracted driving, keep your eyes
on the road, keep your hands on the
steering wheel, and focus your attention on
driving.
.Do not use a phone in demanding driving
situations. Use a hands-free method to
place or receive necessary phone calls.
.Watch the road. Do not read, take notes,
or look up information on phones or
other electronic devices.
.Designate a front seat passenger to
handle potential distractions.
.Become familiar with vehicle features
before driving, such as programming
favorite radio stations and adjusting
climate control and seat settings. Program
all trip information into any navigation
device prior to driving.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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200 Driving and Operating
Helpful braking tips to keep in mind include:
.Keep enough distance between you and
the vehicle in front of you.
.Avoid needless heavy braking.
.Keep pace with traffic.
If the engine ever stops while the vehicle is
being driven, brake normally but do not
pump the brakes. Doing so could make the
pedal harder to push down. If the engine
stops, there will be some power brake assist
but it will be used when the brake is
applied. Once the power assist is used up, it
can take longer to stop and the brake pedal
will be harder to push.
Steering
Electric Power Steering
Caution
To avoid damage to the steering system,
do not drive over curbs, parking barriers,
or similar objects at speeds greater than
3 km/h (1 mph). Use care when driving
over other objects such as lane dividers
and speed bumps. Damage caused by
misuse of the vehicle is not covered by
the vehicle warranty.
The vehicle has electric power steering.
It does not have power steering fluid.
Regular maintenance is not required.
If power steering assist is lost due to a
system malfunction, the vehicle can be
steered, but may require increased effort.
If the steering assist is used for an extended
period of time while the vehicle is not
moving, power assist may be reduced.
If the steering wheel is turned until it
reaches the end of its travel and is held
against that position for an extended period
of time, power steering assist may be
reduced. Normal use of the power steering assist
should return when the system cools down.
See your dealer if there is a problem.
Curve Tips
.Take curves at a reasonable speed.
.Reduce speed before entering a curve.
.Maintain a reasonable steady speed
through the curve.
.Wait until the vehicle is out of the curve
before accelerating gently into the
straightaway.
Steering in Emergencies
.There are some situations when steering
around a problem may be more effective
than braking.
.Holding both sides of the steering wheel
allows you to turn 180 degrees without
removing a hand.
.The Antilock Brake System (ABS) allows
steering while braking.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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202 Driving and Operating
{Warning
When driving off-road, bouncing and
quick changes in direction can easily
throw you out of position. This could
cause you to lose control and crash. You
and your passengers should always wear
seat belts.
Before Driving Off-Road
.Have all necessary maintenance and
service work completed.
.Fuel the vehicle, fill fluid levels, and check
inflation pressure in all tires, including the
spare, if equipped.
.Read all the information about
all-wheel-drive vehicles in this manual.
.Make sure all underbody shields,
if equipped, are properly attached.
.Know the local laws that apply to off-road
driving.
To gain more ground clearance if needed, it
may be necessary to remove the front fascia
lower air dam. However, driving without the
air dam reduces fuel economy.
Caution
Operating the vehicle for extended
periods without the front fascia lower air
dam installed can cause improper airflow
to the engine. Reattach the front fascia
air dam after off-road driving.
Loading the Vehicle for Off-Road Driving
{Warning
.Unsecured cargo on the load floor can
be tossed about when driving over
rough terrain. You or your passengers
can be struck by flying objects. Secure
the cargo properly.
.Keep cargo in the cargo area as far
forward and as low as possible. The
heaviest things should be on the floor,
forward of the rear axle.
.Heavy loads on the roof raise the
vehicle's center of gravity, making it
more likely to roll over. You can be
seriously or fatally injured if the
vehicle rolls over. Put heavy loads
inside the cargo area, not on the roof.
For more information about loading the
vehicle, see Vehicle Load Limits 0208.
Environmental Concerns
.Always use established trails, roads, and
areas that have been set aside for public
off-road recreational driving and obey all
posted regulations.
.Do not damage shrubs, flowers, trees,
or grasses or disturb wildlife.
.Do not park over things that burn. See
Parking over Things That Burn 0217.
Driving on Hills
Driving safely on hills requires good
judgment and an understanding of what the
vehicle can and cannot do.
{Warning
Many hills are simply too steep for any
vehicle. Driving up hills can cause the
vehicle to stall. Driving down hills can
cause loss of control. Driving across hills
can cause a rollover. You could be injured
or killed. Do not drive on steep hills.
Before driving on a hill, assess the
steepness, traction, and obstructions. If the
terrain ahead cannot be seen, get out of the
vehicle and walk the hill before driving
further.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Driving and Operating 203
When driving on hills:
.Use a low gear and keep a firm grip on
the steering wheel.
.Maintain a slow speed.
.When possible, drive straight up or down
the hill.
.Slow down when approaching the top of
the hill.
.Use headlamps even during the day to
make the vehicle more visible.
{Warning
Driving to the top of a hill at high speed
can cause a crash. There could be a
drop-off, embankment, cliff, or even
another vehicle. You could be seriously
injured or killed. As you near the top of a
hill, slow down and stay alert.
.Never go downhill forward or backward
with the transmission in N (Neutral). The
brakes could overheat and you could lose
control.
.When driving down a hill, keep the
vehicle headed straight down. Use a low
gear because the engine will work with
the brakes to slow the vehicle and help
keep the vehicle under control.
{Warning
Heavy braking when going down a hill
can cause your brakes to overheat and
fade. This could cause loss of control and
you or others could be injured or killed.
Apply the brakes lightly when descending
a hill and use a low gear to keep vehicle
speed under control.
If the vehicle stalls on a hill: 1. Apply the brakes to stop the vehicle, and then apply the parking brake.
2. Shift into P (Park) and then restart the engine.
.If driving uphill when the vehicle
stalls, shift to R (Reverse), release the
parking brake, and back
straight down.
.Never try to turn the vehicle around.
If the hill is steep enough to stall the
vehicle, it is steep enough to cause it
to roll over.
.If you cannot make it up the hill,
back straight down the hill.
.Never back down a hill in N (Neutral)
using only the brake.
.The vehicle can roll backward quickly
and you could lose control.
.If driving downhill when the vehicle
stalls, shift to a lower gear, release
the parking brake, and drive straight
down the hill.
3. If the vehicle cannot be restarted after stalling, set the parking brake, shift the
transmission into P (Park), and turn the
vehicle off.
3.1. Leave the vehicle and seek help.
3.2. Stay clear of the path the vehicle
would take if it rolled downhill.
.Avoid turns that take the vehicle across
the incline of the hill. A hill that can be
driven straight up or down might be too
steep to drive across. Driving across an
incline puts more weight on the downhill
wheels which could cause a downhill slide
or a rollover.
.Surface conditions can be a problem.
Loose gravel, muddy spots, or even wet
grass can cause the tires to slip sideways,
downhill. If the vehicle slips sideways, it
can hit something and potentially and
roll over.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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204 Driving and Operating
.Hidden obstacles can make the steepness
of the incline more severe. If a rock is
driven across with the uphill wheels, or if
the downhill wheels drop into a rut or
depression, the vehicle can tilt even more.
.If an incline must be driven across, and
the vehicle starts to slide, turn downhill.
This should help straighten out the
vehicle and prevent the side slipping.
{Warning
Getting out of the vehicle on the
downhill side when stopped across an
incline is dangerous. If the vehicle rolls
over, you could be crushed or killed.
Always get out on the uphill side of the
vehicle and stay well clear of the
rollover path.
Driving in Mud, Sand, Snow, or Ice
Use a low gear when driving in mud–the
deeper the mud, the lower the gear. Keep
the vehicle moving to avoid getting stuck.
Traction changes when driving on sand. On
loose sand, such as on beaches or sand
dunes, the tires tend to sink into the sand. This affects steering, accelerating, and
braking. Drive at a reduced speed and avoid
sharp turns or abrupt maneuvers.
Traction is reduced on hard packed snow
and ice and it is easy to lose control. Reduce
vehicle speed when driving on hard packed
snow and ice.
{Warning
Driving on frozen lakes, ponds, or rivers
can be dangerous. Ice conditions vary
greatly and the vehicle could fall through
the ice; you and your passengers could
drown. Drive your vehicle on safe
surfaces only.
Driving in Water
{Warning
Driving through rushing water can be
dangerous. Deep water can sweep your
vehicle downstream and you and your
passengers could drown. If it is only
shallow water, it can still wash away the
ground from under your tires. Traction
could be lost, and the vehicle could roll
over. Do not drive through rushing water.
Caution
Do not drive through standing water if it
is deep enough to cover the wheel hubs,
axles, or exhaust pipe. Deep water can
damage the axle and other vehicle parts.
If the standing water is not too deep, drive
through it slowly. At faster speeds, water
can get into the engine and cause it to stall.
Stalling can occur if the exhaust pipe is
under water. Do not turn off the ignition
when driving through water. If the exhaust
pipe is under water, the engine will not
start. When going through water, the brakes
get wet and it may take longer to stop. See
Driving on Wet Roads 0205.
After Off-Road Driving
Remove any brush or debris that has
collected on the underbody or chassis,
or under the hood. These accumulations can
be a fire hazard.
After operation in mud or sand, have the
brake linings cleaned and checked. These
substances can cause glazing and uneven
braking. Check the body structure, steering,
suspension, wheels, tires, and exhaust
system for damage and check the fuel lines
and cooling system for any leakage.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Driving and Operating 205
More frequent maintenance service is
required. SeeMaintenance Schedule 0336.
Driving on Wet Roads
Rain and wet roads can reduce vehicle
traction and affect your ability to stop and
accelerate. Always drive slower in these
types of driving conditions and avoid driving
through large puddles and deep-standing or
flowing water.
{Warning
Wet brakes can cause crashes. They
might not work as well in a quick stop
and could cause pulling to one side. You
could lose control of the vehicle.
After driving through a large puddle of
water or a car/vehicle wash, lightly apply
the brake pedal until the brakes work
normally.
Flowing or rushing water creates strong
forces. Driving through flowing water
could cause the vehicle to be carried
away. If this happens, you and other
vehicle occupants could drown. Do not
(Continued)
Warning (Continued)
ignore police warnings and be very
cautious about trying to drive through
flowing water.
Hydroplaning
Hydroplaning is dangerous. Water can build
up under the vehicle's tires so they actually
ride on the water. This can happen if the
road is wet enough and you are going fast
enough. When the vehicle is hydroplaning, it
has little or no contact with the road.
There is no hard and fast rule about
hydroplaning. The best advice is to slow
down when the road is wet.
Other Rainy Weather Tips
Besides slowing down, other wet weather
driving tips include:
.Allow extra following distance.
.Pass with caution.
.Keep windshield wiping equipment in
good shape.
.Keep the windshield washer fluid reservoir
filled.
.Have good tires with proper tread depth.
SeeTires 0296.
.Turn off cruise control.
.Activate All-Wheel Drive (AWD) mode. See
Driver Mode Control 0226.
Hill and Mountain Roads
Driving on steep hills or through mountains
is different than driving on flat or rolling
terrain. Tips include:
.Keep the vehicle serviced and in good
shape.
.Check all fluid levels and brakes, tires,
cooling system, and transmission.
.Shift to a lower gear when going down
steep or long hills.
{Warning
Using the brakes to slow the vehicle on a
long downhill slope can cause brake
overheating, can reduce brake
performance, and could result in a loss of
braking. Shift the transmission to a lower
gear to let the engine assist the brakes
on a steep downhill slope.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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206 Driving and Operating
{Warning
Coasting downhill in N (Neutral) or with
the ignition off is dangerous. This can
cause overheating of the brakes and loss
of steering assist. Always have the engine
running and the vehicle in gear.
.Drive at speeds that keep the vehicle in
its own lane. Do not swing wide or cross
the center line.
.Be alert on top of hills; something could
be in your lane (e.g., stalled car, crash).
.Pay attention to special road signs (e.g.,
falling rocks area, winding roads, long
grades, passing or no-passing zones) and
take appropriate action.
.Select All-Wheel Drive (AWD) Mode. See
Driver Mode Control0226 and
All-Wheel Drive 0222.
Winter Driving
Driving on Snow or Ice
Caution
To avoid damage to the wheels and
brake components, always clear snow and
ice from inside the wheels and
underneath the vehicle before driving.
Snow or ice between the tires and the road
creates less traction or grip, so drive
carefully. Wet ice can occur at about 0 °C
(32 °F) when freezing rain begins to fall.
Avoid driving on wet ice or in freezing rain
until roads can be treated.
For Slippery Road Driving:
.Accelerate gently. Accelerating too quickly
causes the wheels to spin and makes the
surface under the tires slick.
.Turn on Traction Control. See Traction
Control/Electronic Stability Control 0224.
.The Antilock Brake System (ABS) improves
vehicle stability during hard stops, but
the brakes should be applied sooner than
when on dry pavement. See Antilock
Brake System (ABS) 0222.
.Allow greater following distance and
watch for slippery spots. Icy patches can
occur on otherwise clear roads in shaded
areas. The surface of a curve or an
overpass can remain icy when the
surrounding roads are clear. Avoid sudden
steering maneuvers and braking while
on ice.
.Turn off cruise control.
Cold Weather Mode
In very low temperatures, a cold weather
message may display on the Driver
Information Center (DIC). The engine speed,
transmission shift patterns, and cabin fan
speed may operate differently to enable the
vehicle to warm up quicker. You can
manually override the cabin fan speed in
cold weather mode.
Blizzard Conditions
Stop the vehicle in a safe place and signal
for help. Stay with the vehicle unless there
is help nearby. If possible, use Roadside
Assistance. See Roadside Assistance Program
0 354. To get help and keep everyone in the
vehicle safe:
.Turn on the hazard warning flashers.
.Tie a red cloth to an outside mirror.