2023 BUICK ENCLAVE heater

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16411536) - 2023 - CRC - 3/28/22
Driving and Operating 203
3. Open the engine heater connector cover.
4. Plug the heater cord into the connectorin the front fascia.
5. Plug the cord into a grounded 110-volt AC outlet that is protected by a ground
fault detection function.
{Warning
Improper use of the heater cord or an
extension cord can damage the cord and
may result in overheating and fire.
.Plug the cord into a three-prong
electrical utility receptacle that is
protected by a ground fault detection
function. An ungrounded outlet could
cause an electric shock.
.Use a weatherproof, heavy-duty,
15 amp-rated extension cord if needed.
Failure to use the recommended
extension cord in good operating
condition, or using a damaged heater
or extension cord, could make it
overheat and cause a fire, property
damage, electric shock, and injury.
.Do not operate the vehicle with the
heater cord permanently attached to
the vehicle. Possible heater cord and
thermostat damage could occur.
.While in use, do not let the heater
cord touch vehicle parts or sharp
edges.
.Before starting the vehicle, unplug the
cord. Keep the cord away from any
moving parts. 6. Before starting the engine, be sure to
unplug and store the cord.
7. Close the engine heater connector cover.
The length of time the heater should remain
plugged in depends on several factors. Ask a
dealer in the area where you will be parking
the vehicle for the best advice on this.
Retained Accessory Power (RAP)
When the vehicle is turned from on to off,
the following features (if equipped) will
continue to function for up to 10 minutes,
or until the driver door is opened. These
features will also work when the vehicle is
on or in accessory mode:
.Infotainment System
.Power Windows (during RAP this
functionality will be lost when any door
is opened)
.Sunroof (during RAP this functionality will
be lost when any door is opened)
.Auxiliary Power Outlet
.Audio System
.OnStar System

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16411536) - 2023 - CRC - 3/28/22
266 Vehicle Care
{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 0324.
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 0268.
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-
16411536) - 2023 - CRC - 3/28/22
Vehicle Care 269
If No Steam Is Coming from the Engine
Compartment
If an engine overheat warning is displayed
but no steam can be seen or heard, the
problem may not be too serious. Sometimes
the engine can get a little too hot when the
vehicle:
.Climbs a long hill on a hot day.
.Stops after high-speed driving.
.Idles for long periods in traffic.
If the overheat warning is displayed with no
sign of steam: 1. Turn the air conditioning off.
2. Turn the heater on to the highest temperature and to the highest fan
speed. Open the windows as necessary.
3. When it is safe to do so, pull off the road, shift to P (Park) or N (Neutral), and
let the engine idle.
If the engine coolant temperature gauge is
no longer in the overheated area, the
vehicle can be driven. Continue to drive the
vehicle slowly for about 10 minutes. Keep a
safe distance from the vehicle in front. If the
warning does not come back on, continue to
drive normally and have the cooling system
checked for proper fill and function. If the warning continues, pull over, stop, and
park the vehicle right away.
If there is no sign of steam, idle the engine
for three minutes while parked. If the
warning is still displayed, turn off the
engine until it cools down.
Washer Fluid
What to Use
When windshield washer fluid is needed, be
sure to read the manufacturer's instructions
before use. If operating the vehicle in an
area where the temperature may fall below
freezing, use a fluid that has sufficient
protection against freezing.
Adding Washer Fluid
Open the cap with the washer symbol on it.
Add washer fluid until the tank is full. See
Engine Compartment Overview
0260 for
reservoir location.
Caution
.Do not use washer fluid that contains
any type of water repellent coating.
This can cause the wiper blades to
chatter or skip.
.Do not use engine coolant (antifreeze)
in the windshield washer. It can
damage the windshield washer system
and paint.
.Do not mix water with ready-to-use
washer fluid. Water can cause the
solution to freeze and damage the
washer fluid tank and other parts of
the washer system.
.When using concentrated washer fluid,
follow the manufacturer instructions
for adding water.
.Fill the washer fluid tank only
three-quarters full when it is very cold.
This allows for fluid expansion if
freezing occurs, which could damage
the tank if it is completely full.
Brakes
Disc brake linings have built-in wear
indicators that make a high-pitched warning
sound when the brake linings are worn and

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16411536) - 2023 - CRC - 3/28/22
Index 357
Driving (cont'd)Off-Road . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 188
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . 195
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Dual
Automatic Climate Control System . . . . 178
E
ElectricParking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Parking Brake Light . . . . . . . . . . . . . . . . . . . . 107
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . 255
System Overload . . . . . . . . . . . . . . . . . . . . . . 276
Electrical System
Engine Compartment Fuse Block . . . . . . . 278
Fuses and Circuit Breakers . . . . . . . . . . . . . 277
Instrument Panel Fuse Block . . . . . . . . . . . 281
Rear Compartment Fuse Block . . . . . . . . . 283
Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . . . . . . 264
Air Filter Life System . . . . . . . . . . . . . . . . . . 264
Check Light (Malfunction Indicator) . . . . 105
Compartment Overview . . . . . . . . . . . . . . . . 260 Engine (cont'd)
Coolant Temperature Gauge . . . . . . . . . . . 102
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . 265
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . 334
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 263
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . 110
Oil Temperature Gauge . . . . . . . . . . . . . . . . 101
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Power Messages . . . . . . . . . . . . . . . . . . . . . . . 120
Running While Parked . . . . . . . . . . . . . . . . . 205
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Equipment, Towing . . . . . . . . . . . . . . . . . . . . . . . 251
Event Data Recorders . . . . . . . . . . . . . . . . . . . . 344
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Extended Parking . . . . . . . . . . . . . . . . . . . . . . . . 205
Extender, Seat Belt . . . . . . . . . . . . . . . . . . . . . . . .53
Exterior Lamp Controls . . . . . . . . . . . . . . . . . . . . . . . . . 123
Lamps Off Reminder . . . . . . . . . . . . . . . . . . . 124
Lighting Battery Saver . . . . . . . . . . . . . . . . . 129
F
Filter
Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . 264
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Flashers, Hazard Warning . . . . . . . . . . . . . . . . 126
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Fluid Automatic Transmission . . . . . . . . . . . . . . . 263
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Forward Collision Alert (FCA) System . . . . . . . . . . . 232
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343
Front Heated and Ventilated Seats . . . . . . . . . . . . 41
Pedestrian Braking (FPB) System . . . . . . . 236
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Economy, Driving for Better . . . . . . . . . . . 186
Filling a Portable Fuel Container . . . . . . . 244
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . 242
Foreign Countries . . . . . . . . . . . . . . . . . . . . . . 242
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Low Fuel Warning Light . . . . . . . . . . . . . . . . 111

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16411536) - 2023 - CRC - 3/28/22
358 Index
Fuel (cont'd)Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 242
Recommended . . . . . . . . . . . . . . . . . . . . . . . . . 242
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Fuses Engine Compartment Fuse Block . . . . . . . 278
Fuses and Circuit Breakers . . . . . . . . . . . . . 277
Instrument Panel Fuse Block . . . . . . . . . . . 281
Rear Compartment Fuse Block . . . . . . . . . 283
G
Garage Door Opener . . . . . . . . . . . . . . . . . . . . . 120Programming . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Gauges Engine Coolant Temperature . . . . . . . . . . . 102
Engine Oil Temperature . . . . . . . . . . . . . . . . 101
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . 100
Voltmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Warning Lights and Indicators . . . . . . . . . . 95
General Information Service and Maintenance . . . . . . . . . . . . . . 323
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 Global Positioning System (GPS) . . . . . . . . . . 152
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
Guidance Problems with the Route . . . . . . . . . . . . . . 153
H
Hazard Warning Flashers . . . . . . . . . . . . . . . . 126
HD Radio Technology . . . . . . . . . . . . . . . . . . . . . 137
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Head-Up Display (HUD) . . . . . . . . . . . . . . . . . . . 117
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Automatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . 275
Daytime Running Lamps (DRL) . . . . . . . . . 125
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
High-Beam On Light . . . . . . . . . . . . . . . . . . . . 111
High/Low Beam Changer . . . . . . . . . . . . . . 124
Lamps On Reminder . . . . . . . . . . . . . . . . . . . . 111
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . 88
Ventilated Front Seats . . . . . . . . . . . . . . . . . . 41
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178, 182
High Voltage Devices and Wiring . . . . . . . . 276
High-Beam On Light . . . . . . . . . . . . . . . . . . . . . . 111
High-Speed Operation . . . . . . . . . . . . . . . . . . . 291
Hill and Mountain Roads . . . . . . . . . . . . . . . . 193
Hill Start Assist (HSA) . . . . . . . . . . . . . . . . . . . . . 212
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
How to Wear Seat Belts Properly . . . . . . . . . 48
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178, 182
I
If the System Needs Service . . . . . . . . . . . . . . 153
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . . . 199
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Indicator
Pedestrian Ahead . . . . . . . . . . . . . . . . . . . . . . 108
Vehicle Ahead . . . . . . . . . . . . . . . . . . . . . . . . . 108
Indicators Warning Lights and Gauges . . . . . . . . . . . . . 95
Infants and Young Children, Restraints . . . . 65
Information
Publication Ordering . . . . . . . . . . . . . . . . . . . 342
Infotainment Using the System . . . . . . . . . . . . . . . . . . . . . . 133
Infotainment System . . . . . . . . . . . . . . . . . . . . 345
Inspection
Multi-Point Vehicle . . . . . . . . . . . . . . . . . . . . 326