2021 BUICK ENCORE GX Transmission fluid

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608036) - 2021 - CRC - 9/21/20
324 Service and Maintenance
Engine Air Filter Change
When the REPLACE AT NEXT OIL CHANGE
message displays, the engine air filter
should be replaced at the next engine oil
change. When the REPLACE ENGINE AIR
FILTER SOON message displays, the engine
air filter should be replaced at the earliest
convenience. Reset the engine air filter life
system after the engine air filter is replaced.
SeeEngine Air Filter Life System 0260.
Tire Rotation and Required Services
Every 12 000 km (7,500 mi)
Rotate the tires, if recommended for the
vehicle, and perform the following services.
See Tire Rotation 0297.
.Check engine oil level and oil
life percentage. If needed, change engine
oil and filter, and reset oil life system.
See Engine Oil 0258 and
Engine Oil Life System 0260.
.Check the air filter life percentage.
If necessary, replace the engine air filter
and reset the engine air filter life system.
See Engine Air Filter Life System.
.Check engine coolant level. See Cooling
System 0262.
.Check windshield washer fluid level. See
Washer Fluid 0267.
.Check tire inflation pressures. See Tire
Pressure 0292.
.Inspect tire wear. See Tire Inspection
0 297.
.Visually check for fluid leaks.
.Inspect brake system. See Exterior Care
0 314.
.Visually inspect steering, suspension, and
chassis components for damage, including
cracks or tears in the rubber boots, loose
or missing parts, or signs of wear at least
once a year. See Exterior Care0314.
.Inspect power steering for proper
attachment, connections, binding, leaks,
cracks, chafing, etc.
.Visually inspect halfshafts and driveshafts
for excessive wear, lubricant leaks, and/or
damage including: tube dents or cracks,
constant velocity joint or universal joint
looseness, cracked or missing boots, loose
or missing boot clamps, center bearing
excessive looseness, loose or missing
fasteners, and axle seal leaks.
.Check restraint system components. See
Safety System Check 049.
.Visually inspect fuel system for damage
or leaks.
.Visually inspect exhaust system and
nearby heat shields for loose or damaged
parts.
.Lubricate body components. See Exterior
Care 0314.
.Check automatic transmission shift lock
control function. See Automatic
Transmission Shift Lock Control Function
Check 0272.
.Check parking brake and automatic
transmission park mechanism. See Park
Brake and P (Park) Mechanism Check
0 272.
.Check accelerator pedal for damage, high
effort, or binding. Replace if needed.
.Visually inspect gas strut for signs of
wear, cracks, or other damage. Check the
hold open ability of the strut. If the hold
open is low, service the gas strut. See Gas
Strut(s) 0274.
.Inspect sunroof track and seal,
if equipped. See Sunroof031.

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608036) - 2021 - CRC - 9/21/20
Service and Maintenance 327
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 mi84 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.
Check engine air filter life percentage and status. Change
engine air filter, if needed. (1)
@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (2)@ @@@@@
Inspect evaporative control system. (3)@ @@
Change automatic transmission fluid. (9 Speed
Transmission Only)@@@
Change automatic transmission fluid and filter. (Continuously
Variable Ratio Transmission (CVT) Only)@@@
Replace spark plugs. Inspect spark plug wires and/or boots.@ @
Change rear axle fluid, if equipped with AWD. (4)@ @
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. (7)
Replace front and rear wiper blades. (8)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts. (9)@@
Replace air conditioning desiccant. (10)
Replace oil pump drive belt and timing belt. (LIH 1.2L L3
Engine Only). (11)
@

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608036) - 2021 - CRC - 9/21/20
Service and Maintenance 331
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name or specification, including fluids or lubricants not listed here, can be obtained from your dealer.Usage Fluid/Lubricant
Automatic Transmission - Continuously Variable Ratio (CVT) High Performance CVT Fluid. See your dealer.
Automatic Transmission (9 Speed) DEXRON VI Automatic Transmission Fluid. Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling
System 0262.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil0258.
Hood and Door Hinges Multi-Purpose Lubricant, Superlube. See your dealer.
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and Release Pawl Lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Hydraulic Brake System DOT 4 Hydraulic Brake Fluid.
Transfer Case (All-Wheel Drive) Transfer Case Fluid. See your dealer. Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608036) - 2021 - CRC - 9/21/20
Technical Data 337
ApplicationCapacities
Metric English
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level
after filling.
*Engine cooling system capacity values are based on the entire cooling system and its components.
Engine Specifications
Engine VIN CodeTransmission Spark Plug Gap
1.2L L3 Gas Engine (LIH) 2Automatic 0.6 - 0.7 mm (0.024-0.028 in)
1.3L L3 Gas Engine (L3T) LAutomatic 0.65 - 0.75 mm (0.025-0.030 in)
Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage the spark plug.

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608036) - 2021 - CRC - 9/21/20
Index 359
AudioBluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Auto Stop Stop/Start System . . . . . . . . . . . . . . . . . . . . . 198
Automatic Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Emergency Braking (AEB) . . . . . . . . . . . . . . 232
Headlamp System . . . . . . . . . . . . . . . . . . . . . 123
Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Transmission Fluid . . . . . . . . . . . . . . . . . . . . . 260
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . 207
Shift Lock Control Function Check . . . . . . 272
Auxiliary Jack . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Avoiding Untrusted Media Devices . . . . . . . . 137
B
Battery Exterior Lighting Battery Saver . . . . . . . . . 127
Load Management . . . . . . . . . . . . . . . . . . . . . 126
Power Protection . . . . . . . . . . . . . . . . . . . . . . . 127
Battery - North America . . . . . . . . . . . . 270, 308
Blade Replacement, Wiper . . . . . . . . . . . . . . . 272
Bluetooth Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Bluetooth Audio . . . . . . . . . . . . . . . . . . . . . . . . . 140
Brake
Electric Boost . . . . . . . . . . . . . . . . . . . . . . . . . . 208 Brake (cont'd)
Parking, Electric . . . . . . . . . . . . . . . . . . . . . . . . 209
System Warning Light . . . . . . . . . . . . . . . . . . 98
Brake Pad Life System . . . . . . . . . . . . . . . . . . . 268
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268 Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Pad Life System . . . . . . . . . . . . . . . . . . . . . . . 268
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 Automatic Emergency (AEB) . . . . . . . . . . . 232
Braking System
Front Pedestrian (FPB) . . . . . . . . . . . . . . . . . 233
Break-In, New Vehicle . . . . . . . . . . . . . . . . . . . . 196
Bulb Replacement Front Turn Signal and Fog Lamps . . . . . . 276
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . 275
Headlamp Aiming . . . . . . . . . . . . . . . . . . . . . . 274
Headlamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Headlamps and Sidemarker Lamps . . . . . 275
Taillamps, Turn Signal,
Sidemarker, Stoplamps, and
Backup Lamps . . . . . . . . . . . . . . . . . . . 277, 280
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . . . 299
C
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 California
Perchlorate Materials Requirements . . . 252
California Proposition 65 Warning . . . . . . . . . . . . . . . . . . 252, 270, 308, Back Cover
Canadian Vehicle Owners . . . . . . . . . . . . . . . . . . . 1
Capacities and Specifications . . . . . . . . . . . . . 336
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . 204
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . . 192
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Management System . . . . . . . . . . . . . . . . . . . 80
Tie-Downs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Caution, Danger, and Warning . . . . . . . . . . . . . .2
Center Console Storage . . . . . . . . . . . . . . . . . . . 78
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Charging
Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Charging System Light . . . . . . . . . . . . . . . . . . . . 96
Check
Engine Light (Malfunction Indicator) . . . . 97
Child Restraints Infants and Young Children . . . . . . . . . . . . . 62
Lower Anchors and Tethers for
Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608036) - 2021 - CRC - 9/21/20
Index 361
Driver Information Center (DIC) . . . . . .104, 107
DrivingAssistance Systems . . . . . . . . . . . . . . . . . . . . 229
Better Fuel Economy . . . . . . . . . . . . . . . . . . . 187
Characteristics and Towing Tips . . . . . . . . 241
Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Hill and Mountain Roads . . . . . . . . . . . . . . . 191
If the Vehicle is Stuck . . . . . . . . . . . . . . . . . 193
Impaired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . 190
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 190
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . 193
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Driving the Vehicle . . . . . . . . . . . . . . . . . . . . . . . . .2
Dual Automatic Climate Control
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .182
E
Electric Brake Boost . . . . . . . . . . . . . . . . . . . . . . 208
Electric Parking Brake . . . . . . . . . . . . . . . . . . . . 209
Electric Parking Brake Light . . . . . . . . . . . . . . . 99
Electrical Equipment, Add-On . . . . . . . . . . . . 249
Electrical SystemEngine Compartment Fuse Block . . . . . . . 281
Fuses and Circuit Breakers . . . . . . . . . . . . . 281
Instrument Panel Fuse Block . . . . . . . . . . . 284 Electrical System (cont'd)
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Rear Compartment Fuse Block . . . . . . . . . 285
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . . . . . . 261
Check Light (Malfunction Indicator) . . . . . 97
Compartment Overview . . . . . . . . . . . . . . . . 255
Coolant Temperature Gauge . . . . . . . . . . . . 94
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . 262
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . 338
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 260
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . 102
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Power Messages . . . . . . . . . . . . . . . . . . . . . . . . 114
Running While Parked . . . . . . . . . . . . . . . . . 205
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Engine Air Filter Life System . . . . . . . . . . . . . 260
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Equipment, Towing . . . . . . . . . . . . . . . . . . . . . . 248
Event Data Recorders . . . . . . . . . . . . . . . . . . . . 349
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Extended Parking . . . . . . . . . . . . . . . . . . . . . . . . 204
Extender, Seat Belt . . . . . . . . . . . . . . . . . . . . . . . 49
Exterior Lamp Controls . . . . . . . . . . . . . . . . . . . . 121 Exterior Lighting Battery Saver . . . . . . . . . . . 127
F
Filter,
Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . 261
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Flashers, Hazard Warning . . . . . . . . . . . . . . . . .124
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
Fluid Automatic Transmission . . . . . . . . . . . . . . . 260
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Fog Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Folding Seatback . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Forward Collision Alert (FCA) System . . . . 229
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Front Fog Lamp
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608036) - 2021 - CRC - 9/21/20
Index 367
Storage AreasCargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Cargo Management System . . . . . . . . . . . . 80
Center Console . . . . . . . . . . . . . . . . . . . . . . . . . 78
Convenience Net . . . . . . . . . . . . . . . . . . . . . . . . 80
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Rear Compartment/Storage Panel
Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Roof Rack System . . . . . . . . . . . . . . . . . . . . . . . 80
Storage Compartments . . . . . . . . . . . . . . . . . . . 78
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
System Brake Pad Life . . . . . . . . . . . . . . . . . . . . . . . . . 268
Engine Air Filter Life . . . . . . . . . . . . . . . . . . . 260
Forward Collision Alert (FCA) . . . . . . . . . . . 229
Global Positioning . . . . . . . . . . . . . . . . . . . . . 152
Infotainment . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Roof Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Systems Driver Assistance . . . . . . . . . . . . . . . . . . . . . . 223T
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
TaillampsBulb Replacement . . . . . . . . . . . . . . . . . 277, 280
Teen Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Text Telephone (TTY) Users . . . . . . . . . . . . . . .341
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . .25
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286 All-Season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . 299
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
Compact Spare . . . . . . . . . . . . . . . . . . . . . . . . 308
Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Different Size . . . . . . . . . . . . . . . . . . . . . . . . . . 300
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . 303
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . 101
Pressure Monitor Operation . . . . . . . . . . . 294
Pressure Monitor System . . . . . . . . . . . . . . 293
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Sidewall Labeling . . . . . . . . . . . . . . . . . . . . . . 288
Terminology and Definitions . . . . . . . . . . . 290
Uniform Tire Quality Grading . . . . . . . . . . 300
Wheel Alignment and Tire Balance . . . . 302 Tires (cont'd)
Wheel Replacement . . . . . . . . . . . . . . . . . . . . 302
When It Is Time for New Tires . . . . . . . . . 298
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Towing Driving Characteristics . . . . . . . . . . . . . . . . . 241
Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
General Information . . . . . . . . . . . . . . . . . . . 241
Recreational Vehicle . . . . . . . . . . . . . . . . . . . . 311
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
Traction Control System (TCS)/StabiliTrakLight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Off Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Trademarks and License Agreements . . . . . . 172
Trailer Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Fluid, Automatic . . . . . . . . . . . . . . . . . . . . . . . 260
Transportation Program, Courtesy . . . . . . . 344
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Turn and Lane-Change Signals . . . . . . . . . . . .124