2018 BUICK ENCLAVE Cooling system

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
344 Service and Maintenance
(4)Or every five years, whichever
comes first. See Cooling System
0 272. (5)
Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed. (6)
Replace brake fluid every five
years. See Brake Fluid 0279.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
Service and Maintenance 345
Maintenance Schedule
Additional Required
Services - Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Change automatic transmission fluid.@@@
Replace spark plugs. Inspect spark plug wires.@
Drain and fill engine cooling system. (4)@
Visually inspect accessory drive belts. (5)@
Replace brake fluid. (6)
Footnotes—Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels, or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.
(2)
Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
346 Service and Maintenance
(4)Or every five years, whichever
comes first. See Cooling System
0 272.
(5) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) Replace brake fluid every five
years. See Brake Fluid 0279.Special Application
Services
.
Severe Commercial Use
Vehicles Only: Lubricate chassis
components every oil change.
. Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior Care
0 330.
Additional
Maintenance and Care
Your vehicle is an important
investment and caring for it properly
may help to avoid future costly
repairs. To maintain vehicle
performance, additional
maintenance services may be
required.
It is recommended that your dealer
perform these services —their
trained dealer technicians know
your vehicle best. Your dealer can
also perform a thorough
assessment with a multi-point
inspection to recommend when your
vehicle may need attention.
The following list is intended to
explain the services and conditions
to look for that may indicate
services are required.
Battery
The 12-volt battery supplies power
to start the engine and operate any
additional electrical accessories.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
Service and Maintenance 349
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
UsageFluid/Lubricant
Automatic Transmission DEXRON-VI Automatic Transmission Fluid. Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Cooling System 0272.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity
grade. ACDelco dexos1 is recommended. See Engine Oil0268.
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and Release Pawl Lubriplate Lubricant Aerosol (GM Part No. 89021668, in
Canada 89021674) or lubricant meeting requirements of NLGI #2,
Category LB or GC-LB.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19299819).
Key Lock Cylinders, Hood and Door Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Weatherstrip Conditioning Weatherstrip lubricant (GM Part No. 3634770, in Canada 10953518) or equivalent.
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
Technical Data 353
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and
Lubricants 0349 for more information.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under thehood. See your dealer for more information.
Cooling System Without V92 Towing Package 14.2 L 15.0 qt
With V92 Towing Package 14.5 L 15.3 qt
Engine Oil with Filter 5.7 L 6.0 qt
Fuel Tank
Front-Wheel Drive 73.4 L 19.4 gal
All-Wheel Drive 82.1 L 21.7 gal
Transfer Case Fluid 1.0 L 1.0 qt
Wheel Nut Torque 190 Y140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
Index 383
CompartmentsStorage . . . . . . . . . . . . . . . . . . . . . . . .117
Compass . . . . . . . . . . . . . . . . . . . . . . . 126
Connections OnStar . . . . . . . . . . . . . . . . . . . . . . . 372
Control Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 220
Control of a Vehicle . . . . . . . . . . . . . 186
Convex Mirrors . . . . . . . . . . . . . . . . . . 51
Coolant Engine Temperature Gauge . . 137
Cooling . . . . . . . . . . . . . . . . . . . . 176, 180
Cooling System . . . . . . . . . . . . . . . . . 272
Courtesy Lamps . . . . . . . . . . . . . . . . 171
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 361
Cruise Control . . . . . . . . . . . . . . . . . . 224 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Cruise Control, Adaptive . . . . . . . . 226
Cupholders . . . . . . . . . . . . . . . . . . . . . 117
Customer Assistance . . . . . . . . . . . 358 Offices . . . . . . . . . . . . . . . . . . . . . . . . 357
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 358
Customer Information Service PublicationsOrdering Information . . . . . . . . 364 Customer Satisfaction
Procedure . . . . . . . . . . . . . . . . . . . . . 355
D
Damage Repair, Collision . . . . . . . 362
Danger, Warning, and Caution . . . . 2
Data Collection
Infotainment System . . . . . . . . . . 368
OnStar . . . . . . . . . . . . . . . . . . . . . . . 368
Data Recorders, Event . . . . . . . . . 367
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 169
Defensive Driving . . . . . . . . . . . . . . . 186
Delayed Locking . . . . . . . . . . . . . . . . . 40
Diagnostics OnStar . . . . . . . . . . . . . . . . . . . . . . . 374
Distracted Driving . . . . . . . . . . . . . . . 185
Dome Lamps . . . . . . . . . . . . . . . . . . . 171
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 147
Delayed Locking . . . . . . . . . . . . . . . . 40
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Power Locks . . . . . . . . . . . . . . . . . . . . 40
Drive Belt Routing, Engine . . . . . . 354
Drive Systems All-Wheel Drive . . . . . . . . . . 216, 281
Driver Assistance Systems . . . . . 234 Driver Information
Center (DIC) . . . . . . . . . . . . . 148, 150
Driver Mode Control . . . . . . . . . . . . 222
Driving Assistance Systems . . . . . . . . . . 239
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 253
Defensive . . . . . . . . . . . . . . . . . . . . . 186
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 186
For Better Fuel Economy . . . . . . . 28
Hill and Mountain Roads . . . . . . 194
If the Vehicle is Stuck . . . . . . . . . 196
Loss of Control . . . . . . . . . . . . . . . 188
Off-Road . . . . . . . . . . . . . . . . . . . . . 188
Off-Road Recovery . . . . . . . . . . . 187
Vehicle Load Limits . . . . . . . . . . . 196
Wet Roads . . . . . . . . . . . . . . . . . . . 193
Winter . . . . . . . . . . . . . . . . . . . . . . . . 194
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 176
E
Electric Parking Brake . . . . . . . . . . 218
Electric Parking Brake Light . . . . 142
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 261

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
384 Index
Electrical SystemEngine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 287
Fuses and Circuit Breakers . . . 286
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 290
Overload . . . . . . . . . . . . . . . . . . . . . 286
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 292
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 370
Engine Air Cleaner/Filter . . . . . . . . . . . . . 272
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 140
Compartment Overview . . . . . . . 267
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 137
Cooling System . . . . . . . . . . . . . . . 272
Drive Belt Routing . . . . . . . . . . . . 354
Exhaust . . . . . . . . . . . . . . . . . . . . . . 209
Heater . . . . . . . . . . . . . . . . . . . . . . . . 204
Oil Life System . . . . . . . . . . . . . . . 270
Oil Pressure Light . . . . . . . . . . . . 145
Overheating . . . . . . . . . . . . . . . . . . 276
Power Messages . . . . . . . . . . . . . 154
Running While Parked . . . . . . . . 210
Starting . . . . . . . . . . . . . . . . . . . . . . . 202 Entry Lighting . . . . . . . . . . . . . . . . . . . 172
Equipment, Towing . . . . . . . . . . . . . 259
Event Data Recorders . . . . . . . . . . 367
Exit Lighting . . . . . . . . . . . . . . . . . . . . 173
Extended Parking . . . . . . . . . . . . . . . 208
Extender, Seat Belt . . . . . . . . . . . . . . 81
Exterior Lamp Controls . . . . . . . . . 166
Exterior Lamps Off Reminder . . . 168
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 174
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 11
Filter, Engine Air Cleaner . . . . . . . . . . . 272
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 168
Flashers, Hazard Warning . . . . . . 170
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 315
Changing . . . . . . . . . . . . . . . . . . . . . 317
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 338
Fluid
Automatic Transmission . . . . . . 271
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 279
Washer . . . . . . . . . . . . . . . . . . . . . . . 277
Folding Mirrors . . . . . . . . . . . . . . . . . . 51
Forward Automatic Braking . . . . . 241 Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . . 239
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 365
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . 243
Front Seats
Heated and Ventilated . . . . . . . . . . 68
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 Additives . . . . . . . . . . . . . . . . . . . . . 250
Economy Driving . . . . . . . . . . . . . . . 28
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 252
Filling the Tank . . . . . . . . . . . . . . . 250
Foreign Countries . . . . . . . . . . . . 250
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 136
Low Fuel Warning Light . . . . . . . 146
Requirements, California . . . . . 250
Fuses Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 287
Fuses and Circuit Breakers . . . 286
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 290
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 292