2022 BUICK ENCLAVE overheating

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
Vehicle Care 277
{Warning
Do not touch heater or radiator hoses,
or other engine parts. They can be very
hot and can burn you. Do not run the
engine if there is a leak; all coolant could
leak out. That could cause an engine fire
and can burn you. Fix any leak before
driving the vehicle.
Engine Coolant
The cooling system in the vehicle is filled
with DEX-COOL engine coolant. This coolant
needs to be checked and replaced at
appropriate intervals. SeeMaintenance
Schedule 0336.
The following explains the cooling system
and how to check and add coolant when it
is low. If there is a problem with engine
overheating, see Engine Overheating 0279.
What to Use
{Warning
Plain water, or other liquids such as
alcohol, can boil before the proper
coolant mixture will. With plain water or
(Continued)
Warning (Continued)
the wrong mixture, the engine could get
too hot but there would not be an
overheat warning. The engine could catch
fire and you or others could be burned.
Use a 50/50 mixture of clean, drinkable
water and DEX-COOL coolant. If using this
mixture, nothing else needs to be added.
This mixture:
.Gives freezing protection down to −37 °C
(−34 °F), outside temperature.
.Gives boiling protection up to 129 °C
(265 °F), engine temperature
.Protects against rust and corrosion.
.Will not damage aluminum parts.
.Helps keep the proper engine
temperature.
Caution
Do not use anything other than a mix of
DEX-COOL coolant that meets GM
Standard GMW3420 and clean, drinkable
water. Anything else can cause damage
to the engine cooling system and the
vehicle, which would not be covered by
the vehicle warranty. Never dispose of engine coolant by putting
it in the trash, pouring it on the ground,
or into sewers, streams, or bodies of water.
Have the coolant changed by an authorized
service center, familiar with legal
requirements regarding used coolant
disposal. This will help protect the
environment and your health.
Checking Coolant
The vehicle must be on a level surface when
checking the coolant level.
Check to see if coolant is visible in the
coolant surge tank. If the coolant inside the
coolant surge tank is boiling, do not do
anything else until it cools down. If coolant
is visible but the coolant level mark is not

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
278 Vehicle Care
visible, add a 50/50 mixture of clean,
drinkable water and DEX-COOL coolant at
the coolant surge tank to the top rib on the
middle of the tank, but be sure the cooling
system is cool before this is done. See
Engine Overheating0279.
The coolant surge tank is located in the
engine compartment on the driver side of
the vehicle. See Engine Compartment
Overview 0271.
How to Add Coolant to the Coolant
Surge Tank
{Warning
Steam and scalding liquids from a hot
cooling system are under pressure.
Turning the pressure cap, even a little,
can cause them to come out at high
speed and you could be burned. Never
turn the cap when the cooling system,
including the pressure cap, is hot. Wait
for the cooling system and pressure cap
to cool.
{Warning
Plain water, or other liquids such as
alcohol, can boil before the proper
coolant mixture will. With plain water or
the wrong mixture, the engine could get
too hot but there would not be an
overheat warning. The engine could catch
fire and you or others could be burned.
{Warning
Spilling coolant on hot engine parts can
burn you. Coolant contains ethylene
glycol and it will burn if the engine parts
are hot enough.
Caution
Failure to follow the specific coolant fill
procedure could cause the engine to
overheat and could cause system
damage. If coolant is not visible in the
surge tank, contact your dealer. If no problem is found, check to see if
coolant is visible in the coolant surge tank.
If coolant is visible but the coolant level is
not at the indicated level mark, add a
50/50 mixture of clean, drinkable water and
DEX-COOL coolant at the coolant surge tank,
but be sure the cooling system, including
the coolant surge tank pressure cap, is cool
before you do it.
1. Remove the coolant surge tank pressure
cap when the cooling system, including
the coolant surge tank pressure cap and
upper radiator hose, is no longer hot.
Turn the pressure cap slowly
counterclockwise about one-quarter of a
turn. If you hear a hiss, wait for that to
stop. This will allow any pressure still
left to be vented out the discharge hose.
2. Keep turning the pressure cap slowly and remove it.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
Vehicle Care 279
3. Fill the coolant surge tank with theproper mixture to the indicated
level mark.
4. With the coolant surge tank pressure cap off, start the engine and let it run until
you can feel the upper radiator hose
getting hot. Watch out for the engine
cooling fan.
By this time, the coolant level inside the
coolant surge tank may be lower. If the
level is lower, add more of the proper
mixture to the coolant surge tank until
the level reaches the indicated
level mark.
5. Replace the pressure cap tightly. 6. Verify coolant level after the engine is
shut off and the coolant is cold.
If necessary, repeat coolant fill procedure
Steps 1–6.
If the coolant still is not at the proper
level when the system cools down again,
see your dealer.
Caution
If the pressure cap is not tightly installed,
coolant loss and engine damage may
occur. Be sure the cap is properly and
tightly secured.
Engine Overheating
The vehicle has several indicators to warn of
the engine overheating.
There is an engine coolant temperature
gauge on the instrument cluster. See Engine
Coolant Temperature Gauge 0103. The
vehicle may also display a message on the
Driver Information Center (DIC).
If the decision is made not to lift the hood
when this warning appears, get service help
right away. See Roadside Assistance Program
0 354. If the decision is made to lift the hood,
make sure the vehicle is parked on a level
surface. Then check to see if the engine
cooling fan is running. If the engine is
overheating, the fan should be running. If it
is not, do not continue to run the engine.
Have the vehicle serviced.
Caution
Do not run the engine if there is a leak
in the engine cooling system. This can
cause a loss of all coolant and can
damage the system and vehicle. Have
any leaks fixed right away.
If Steam Is Coming from the Engine
Compartment
{Warning
Steam and scalding liquids from a hot
cooling system are under pressure.
Turning the pressure cap, even a little,
can cause them to come out at high
speed and you could be burned. Never
turn the cap when the cooling system,
including the pressure cap, is hot. Wait
for the cooling system and pressure cap
to cool.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
296 Vehicle Care
FusesUsage
F56 Universal Remote System/Overhead
Console/Humidity/Rain
Sensor
F57 Hands Free Closure Release
Circuit Breakers Usage CB1 –
CB2 –
CB3 Rear Auxiliary Power Outlet
Relays Usage
K1 –
K2 –
Wheels and Tires
Tires
Every new GM vehicle has high-quality
tires made by a leading tire
manufacturer. See the warranty manual
for information regarding the tire warranty and where to get service. For
additional information refer to the tire
manufacturer.
{Warning
.Poorly maintained and improperly
used tires are dangerous.
.Overloading the tires can cause
overheating as a result of too
much flexing. There could be a
blowout and a serious crash. See
Vehicle Load Limits
0208.
.Underinflated tires pose the same
danger as overloaded tires. The
resulting crash could cause serious
injury. Check all tires frequently to
maintain the recommended
pressure. Tire pressure should be
checked when the tires are cold.
.Overinflated tires are more likely
to be cut, punctured, or broken by
a sudden impact —such as when
hitting a pothole. Keep tires at the
recommended pressure.
(Continued)
Warning (Continued)
.Worn or old tires can cause a
crash. If the tread is badly worn,
replace them.
.Replace any tires that have been
damaged by impacts with
potholes, curbs, etc.
.Improperly repaired tires can cause
a crash. Only your dealer or an
authorized tire service center
should repair, replace, dismount,
and mount the tires.
.Do not spin the tires in excess of
56 km/h (35 mph) on slippery
surfaces such as snow, mud, ice,
etc. Excessive spinning may cause
the tires to explode.
See Tire Pressure for High-Speed
Operation 0303 for inflation pressure
adjustment for high-speed driving.
All-Season Tires
This vehicle may come with all-season tires.
These tires are designed to provide good
overall performance on most road surfaces

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
302 Vehicle Care
Tire Pressure
Tires need the correct amount of air
pressure to operate effectively.
{Warning
Neither tire underinflation nor
overinflation is good. Underinflated
tires, or tires that do not have
enough air, can result in:
.Tire overloading and overheating,
which could lead to a blowout.
.Premature or irregular wear.
.Poor handling.
.Reduced fuel economy.
Overinflated tires, or tires that have
too much air, can result in:
.Unusual wear.
.Poor handling.
.Rough ride.
.Needless damage from road
hazards. The Tire and Loading Information label
on the vehicle indicates the original
equipment tires and the correct cold
tire inflation pressures. The
recommended pressure is the minimum
air pressure needed to support the
vehicle's maximum load carrying
capacity. See
Vehicle Load Limits 0208.
How the vehicle is loaded affects
vehicle handling and ride comfort.
Never load the vehicle with more
weight than it was designed to carry.
When to Check
Check the pressure of the tires once a
month or more. Do not forget the
compact spare, if the vehicle has one.
The compact spare cold tire pressure
should be at 420 kPa (60 psi). See
Compact Spare Tire 0320. How to Check
Use a good quality pocket-type gauge
to check tire pressure. Proper tire
inflation cannot be determined by
looking at the tire. Check the tire
inflation pressure when the tires are
cold, meaning the vehicle has not been
driven for at least three hours or no
more than 1.6 km (1 mi).
Remove the valve cap from the tire
valve stem. Press the tire gauge firmly
onto the valve to get a pressure
measurement. If the cold tire inflation
pressure matches the recommended
pressure on the Tire and Loading
Information label, no further adjustment
is necessary. If the inflation pressure is
low, add air until the recommended
pressure is reached. If the inflation
pressure is high, press on the metal
stem in the center of the tire valve to
release air.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
Index 373
Driving (cont'd)Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
E
Electric Parking Brake . . . . . . . . . . . . . . . . . . . . 223
Electric Parking Brake Light . . . . . . . . . . . . . . 109
Electrical Equipment, Add-On . . . . . . . . . . . . 267
Electrical SystemEngine Compartment Fuse Block . . . . . . . 289
Fuses and Circuit Breakers . . . . . . . . . . . . . 289
Instrument Panel Fuse Block . . . . . . . . . . . 292
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Rear Compartment Fuse Block . . . . . . . . . 294
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . . . . . . 275
Check Light (Malfunction Indicator) . . . . 107
Compartment Overview . . . . . . . . . . . . . . . . . 271
Coolant Temperature Gauge . . . . . . . . . . . 103
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . 276
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . 350
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 274
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . . 112 Engine (cont'd)
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Power Messages . . . . . . . . . . . . . . . . . . . . . . . 122
Running While Parked . . . . . . . . . . . . . . . . . 218
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Engine Air Filter Life System . . . . . . . . . . . . . 275
Engine Oil Temperature Gauge . . . . . . . . . . . . . . . . . . . . 103
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Equipment, Towing . . . . . . . . . . . . . . . . . . . . . . 263
Event Data Recorders . . . . . . . . . . . . . . . . . . . . 361
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Extended Parking . . . . . . . . . . . . . . . . . . . . . . . . . 217
Extender, Seat Belt . . . . . . . . . . . . . . . . . . . . . . . .53
Exterior Lamp Controls . . . . . . . . . . . . . . . . . . . 130
Exterior Lamps Off Reminder . . . . . . . . . . . . . 131
Exterior Lighting Battery Saver . . . . . . . . . . 136
F
Filter, Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . 275
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Flashers, Hazard Warning . . . . . . . . . . . . . . . . . 133
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .314
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Fluid
Automatic Transmission . . . . . . . . . . . . . . . 274 Fluid (cont'd)
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Forward Collision Alert (FCA) System . . . . 245
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Front Seats Heated and Ventilated . . . . . . . . . . . . . . . . . . 41
Fuel
Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Economy, Driving for Better . . . . . . . . . . . 198
Filling a Portable Fuel Container . . . . . . . 256
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . 255
Foreign Countries . . . . . . . . . . . . . . . . . . . . . . 254
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Low Fuel Warning Light . . . . . . . . . . . . . . . . 112
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 254
Recommended . . . . . . . . . . . . . . . . . . . . . . . . . 254
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Fuses Engine Compartment Fuse Block . . . . . . . 289
Fuses and Circuit Breakers . . . . . . . . . . . . . 289
Instrument Panel Fuse Block . . . . . . . . . . . 292
Rear Compartment Fuse Block . . . . . . . . . 294

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
376 Index
MediaAvoiding Untrusted Devices . . . . . . . . . . . . 146
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Mirror Rear Camera . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Mirrors Automatic Dimming . . . . . . . . . . . . . . . . . . . . 28
Automatic Dimming Rearview . . . . . . . . . . 28
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Mirrors, Interior Rearview . . . . . . . . . . . . . . . . . 28
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 Driver Control . . . . . . . . . . . . . . . . . . . . . . . . . 226
Monitor System, Tire Pressure . . . . . . . . . . . 304
Multi-band Antenna . . . . . . . . . . . . . . . . . . . . . 146
N
Navigation Connected Services . . . . . . . . . . . . . . . . . . . . 367
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Navigation (cont'd)
Using the System . . . . . . . . . . . . . . . . . . . . . . 150
Navigation Symbols . . . . . . . . . . . . . . . . . . . . . .154
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . . 211
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Off-Road . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Engine Oil Life System . . . . . . . . . . . . . . . . . 274
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Older Children, Restraints . . . . . . . . . . . . . . . . . 64
Online Owner Center . . . . . . . . . . . . . . . . . . . . 353
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
OnStar Additional Information . . . . . . . . . . . 364
OnStar Emergency . . . . . . . . . . . . . . . . . . . . . . . 363
OnStar Overview . . . . . . . . . . . . . . . . . . . . . . . . . 362
OnStar Security . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Overheating, Engine . . . . . . . . . . . . . . . . . . . . . 279
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138 Instrument Panel . . . . . . . . . . . . . . . . . . . . . . . . 4
P
ParkShifting Into . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Shifting Out of . . . . . . . . . . . . . . . . . . . . . . . . . 217
Park Assist . . . . . . . . . . . . . . . . . . . . . . . . . . 239, 242
Parking
Brake and P (Park) MechanismCheck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Extended . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Over Things That Burn . . . . . . . . . . . . . . . . . . 217
Parking or Backing Assistance Systems . . . . . . . . . . . . . . . . . . . . 239
Passenger Airbag Status Indicator . . . . . . . . 106
Passenger Compartment Air Filter . . . . . . . 195
Passenger Sensing System . . . . . . . . . . . . . . . . 60
Pedestrian Ahead Indicator . . . . . . . . . . . . . . .110
Perchlorate Materials Requirements, California . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Personalization
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Phone Apple CarPlay and Android Auto . . . . . . . . 171
Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . 167, 168
Port
USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Positioning Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160