oil BUICK ENCORE GX 2023 Owner's Guide

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16263917) - 2023 - CRC - 2/24/22
Service and Maintenance 325
suitable service maintenance intervals for
your vehicle, please contact your
authorized GM Dealer.
Extreme service is for vehicles mainly
driven off-road in four-wheel drive or used
in farming, mining, forestry, or snow
plowing.
Additional Required Services—Severe
Service
Every 72 000 km (45,000 mi)
.Change automatic transmission fluid and
filter.
Every 75 000 km (120,000 mi)
.Change rear axle fluid, if equipped with
AWD. Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water can
overcome the seals and contaminate the
transfer case fluid. Contaminated fluid will
decrease the life of the transfer case and/
or axles and should be replaced.
Owner Checks and Services
Every Five Years
.Replace brake fluid every five years. See
Brake Fluid 0267. Every Seven Years
.Replace Air Conditioning Desiccant every
seven years. The air conditioning system
requires maintenance every seven years.
This service requires replacement of the
desiccant to help the longevity and
efficient operation of the air conditioning
system. This service can be complex. See
your dealer.
Multi-Point Vehicle
Inspection (MPVI)
A Multi Point Vehicle Inspection (MPVI)
completed by a GM dealer technician is a
maintenance assessment of your vehicle.
The benefit of the MPVI is to identify and
inform the customer of service items that
require immediate attention and those that
may require attention in the future.
The technician will perform the following
checks on your vehicle. For a complete list
of checks, inspections, and services, see your
dealer.
Some items may not apply to your vehicle
and/or region.
Diagnostics
.OnStar active, if equipped
.Service history/recall check
Engine Oil and Filter
.Engine oil
.Oil life monitor
‐
Reset oil life monitor
Exterior Lights
.Visual inspection
Windshield and Wipers
.Visual inspection
Battery
.Battery visual inspection
.Battery test results
.Battery cables and connections
Systems, Fluids, and Visible Leak
Inspection
.Engine oil
.Transmission
.Drive axle
.Transfer case
.Engine cooling system
.Power steering, if equipped

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16263917) - 2023 - CRC - 2/24/22
326 Service and Maintenance
.Fuel system
.Windshield washer fluid
Tire Inspection
.Tire pressure, tread depth, and wear
.Rotation, if applicable
.Alignment check, optional
.Reset tire pressure monitor
.Check tire sealant expiration date,
if equipped
.Check spare tire, if equipped
Brakes
.Check brake system
Visible and Functional Inspections
.Seat belt components
.Exhaust system
.Accelerator pedal
.Passenger compartment air filter,
if equipped
.Engine air filter
.Hoses
.Belts
.Shocks and struts
.Steering components
.Axle boots or driveshaft and u-joints
.Compartment lift struts, if equipped
.Floor mats secured, no interference with
pedals
.Horn
.Ignition lock, if equipped
.Starter switch
.Evaporative control system
Lubricate
.Chassis components
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 0314.

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16263917) - 2023 - CRC - 2/24/22
Service and Maintenance 327
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 0260.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil0256.
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.
Rear Axle (All-Wheel Drive) 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-
16263917) - 2023 - CRC - 2/24/22
328 Service and Maintenance
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.Part GM Part NumberACDelco Part Number
Engine Air Cleaner/Filter 42712666A3251C
Engine Oil Filter
I1.2L L3 Gas Engine 12706595
PF64
I1.3L L3 Gas Engine 55495105
PF66
Passenger Compartment Air Filter 13508023CF185
Spark Plugs
I1.2L L3 Gas Engine 12683541
41-156
I1.3L L3 Gas Engine 12688094
41-106-IP

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16263917) - 2023 - CRC - 2/24/22
332 Technical Data
Vehicle Data
Capacities and Specifications
ApplicationCapacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under the hood. See yourdealer for more information.
Engine Cooling System*
I1.2L L3 Gas Engine 6.3 L 6.7 qt
I1.3L L3 Gas Engine 7.4 L 7.8 qt
Engine Oil with Filter I1.2L L3 Gas Engine 4.0 L 4.2 qt
I1.3L L3 Gas Engine 4.5 L 4.8 qt
Fuel Tank 50 L 13.2 gal

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16263917) - 2023 - CRC - 2/24/22
352 Connected Services
Ensuring Security
.Change the default passwords for the
Wi-Fi hotspot and myBuick mobile
application. Make these passwords
different from each other and use a
combination of letters and numbers to
increase the security.
.Change the default name of the SSID
(Service Set Identifier). This is your
network’s name that is visible to other
wireless devices. Choose a unique name
and avoid family names or vehicle
descriptions.
Wi-Fi Hotspot (If Equipped)
The vehicle may have a built-in Wi-Fi
hotspot that provides access to the Internet
and web content at 4G LTE speed. Up to
seven mobile devices can be connected.
A data plan is required. Use the in-vehicle
controls only when it is safe to do so. 1. To retrieve Wi-Fi hotspot information, press
=to open the OnStar app on the
infotainment display, then select Wi-Fi
Hotspot. On some vehicles, touch Wi-Fi
or Wi-Fi Settings on the screen.
2. The Wi-Fi settings will display the Wi-Fi hotspot name (SSID), password, and on
some vehicles, the connection type (no Internet connection, 3G, 4G, 4G LTE), and
signal quality (poor, good, excellent). The
LTE icon shows connection to Wi-Fi. It is
possible that the icon may not illuminate
even though the vehicle has an active
connection.
3. To change the SSID or password, press
Qor call 1-888-4ONSTAR to connect
with an Advisor. On some vehicles, the
SSID and password can be changed in
the Wi-Fi Hotspot menu.
After initial set-up, your vehicle’s Wi-Fi
hotspot will connect automatically to your
mobile devices. Manage data usage by
turning Wi-Fi on or off on your mobile
device, by using the myBuick mobile app,
or by contacting an OnStar Advisor. On
some vehicles, Wi-Fi can also be managed
from the Wi-Fi Hotspot menu.
MyBuick Mobile App (If Available)
Download the myBuick mobile app to
compatible Apple and Android smartphones.
Buick users can access the following services
from a smartphone:
.Remotely start/stop the vehicle,
if factory-equipped.
.Lock/unlock doors, if equipped with
automatic locks.
.Activate the horn and lamps.
.Check the vehicle’s fuel level, oil life,
or tire pressure, if factory-equipped
with the Tire Pressure Monitor System.
.Send destinations to the vehicle.
.Locate the vehicle on a map (U.S.
market only).
.Turn the vehicle's Wi-Fi hotspot on/off,
manage settings, and monitor data
consumption, if equipped.
.Locate a dealer and schedule service.
.Request Roadside Assistance.
.Set a parking reminder with pin drop,
take a photo, make a note, and set a
timer.
.Connect with Buick on social media.
Features are subject to change. For myBuick
mobile app information and compatibility,
see my.buick.com.
An active OnStar or connected service plan
may be required. A compatible device,
factory-installed remote start, and power
locks are required. Data rates apply. See
www.onstar.com for details and system
limitations.

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16263917) - 2023 - CRC - 2/24/22
Index 357
Distracted Driving . . . . . . . . . . . . . . . . . . . . . . . . .185
Dome Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
DoorAjar Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . 17
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Power Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Drive Belt Routing, Engine . . . . . . . . . . . . . . . 334
Drive Systems All-Wheel Drive . . . . . . . . . . . . . . . . . . . 205, 270
Driver
Assistance Systems . . . . . . . . . . . . . . . . . . . . 221
Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Information Center (DIC) . . . . . . . . . . . 108, 110
Teen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Driving
Assistance Systems . . . . . . . . . . . . . . . . . . . . 227
Better Fuel Economy . . . . . . . . . . . . . . . . . . . 184
Characteristics and Towing Tips . . . . . . . . 240
Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Hill and Mountain Roads . . . . . . . . . . . . . . 188
If the Vehicle is Stuck . . . . . . . . . . . . . . . . . 190
Impaired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . 187
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 187
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . . 191
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 Driving (cont'd)
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Driving the Vehicle . . . . . . . . . . . . . . . . . . . . . . . . .2
Dual Automatic Climate Control System . . . . 179
E
ElectricBrake Boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Parking Brake Light . . . . . . . . . . . . . . . . . . . . 102
Electrical
Equipment, Add-On . . . . . . . . . . . . . . . . . . . . 248
System Overload . . . . . . . . . . . . . . . . . . . . . . 278
Electrical System Engine Compartment Fuse Block . . . . . . . 280
Fuses and Circuit Breakers . . . . . . . . . . . . . 279
Instrument Panel Fuse Block . . . . . . . . . . . 283
Rear Compartment Fuse Block . . . . . . . . . 284
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Engine
Air Cleaner/Filter . . . . . . . . . . . . . . . . . . . . . . 259
Air Filter Life System . . . . . . . . . . . . . . . . . . 259
Check Light (Malfunction Indicator) . . . . 100
Compartment Overview . . . . . . . . . . . . . . . . 253
Coolant Temperature Gauge . . . . . . . . . . . . 97
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . 260 Engine (cont'd)
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . 334
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 258
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . 106
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Power Messages . . . . . . . . . . . . . . . . . . . . . . . . 117
Running While Parked . . . . . . . . . . . . . . . . . 202
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Equipment, Towing . . . . . . . . . . . . . . . . . . . . . . 246
Event Data Recorders . . . . . . . . . . . . . . . . . . . . 344
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Extended Parking . . . . . . . . . . . . . . . . . . . . . . . . 201
Extender, Seat Belt . . . . . . . . . . . . . . . . . . . . . . . 50
Exterior Lamp Controls . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Lighting Battery Saver . . . . . . . . . . . . . . . . . . 127
F
FilterEngine Air Cleaner . . . . . . . . . . . . . . . . . . . . . 259
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Flashers, Hazard Warning . . . . . . . . . . . . . . . . .124
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16263917) - 2023 - CRC - 2/24/22
360 Index
Lights (cont'd)Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . 106
Front Fog Lamp . . . . . . . . . . . . . . . . . . . . . . . . 107
Gauges and Indicators . . . . . . . . . . . . . . . . . . 92
High-Beam On . . . . . . . . . . . . . . . . . . . . . . . . . 107
Lane Keep Assist . . . . . . . . . . . . . . . . . . . . . . . 103
Low Fuel Warning . . . . . . . . . . . . . . . . . . . . . 106
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . . 98
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Service Electric Parking Brake . . . . . . . . . . 103
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . . . . . . . 105
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . . . . . . . . . . 105
Traction Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Locks
Automatic Door . . . . . . . . . . . . . . . . . . . . . . . . . 18
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . 17
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . 18
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . .187
Low Fuel Warning Light . . . . . . . . . . . . . . . . . 106
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . . . . . . . . 68
Lumbar Adjustment . . . . . . . . . . . . . . . . . . . . . . . 38 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Maintenance Schedule . . . . . . . . . . . . . . . . . . . 323 Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327
Malfunction Indicator Lamp . . . . . . . . . . . . . . 100
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Map Data Updates . . . . . . . . . . . . . . . . . . . . . . . . 151
Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Media
Avoiding Untrusted Devices . . . . . . . . . . . . . 137
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Messages
Engine Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Mirrors
Automatic Dimming Rearview . . . . . . . . . . 28
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Interior Rearview . . . . . . . . . . . . . . . . . . . . . . . 28
Manual Rearview . . . . . . . . . . . . . . . . . . . . . . . 28
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Rear Camera . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Monitor System, Tire Pressure . . . . . . . . . . . 292
Multi-band Antenna . . . . . . . . . . . . . . . . . . . . . 136
Multi-Point Vehicle Inspection (MPVI) . . . . 325
N
Navigation
Connected Services . . . . . . . . . . . . . . . . . . . . 351
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Using the System . . . . . . . . . . . . . . . . . . . . . . 140
Net, Convenience . . . . . . . . . . . . . . . . . . . . . . . . . 82
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . 193
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Off-Road
Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Engine Oil Life System . . . . . . . . . . . . . . . . . 258
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . 106
Older Children, Restraints . . . . . . . . . . . . . . . . . 62
Online Account . . . . . . . . . . . . . . . . . . . . . . . . . . 337
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345 Additional Information . . . . . . . . . . . . . . . . . 348
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
OnStar Emergency . . . . . . . . . . . . . . . . . . . . . . . 347
OnStar Security . . . . . . . . . . . . . . . . . . . . . . . . . . 347