air filter BUICK ENCORE 2021 Owner's Manual

Buick Encore Owner Manual (GMNA-Localizing-U.S./Canada-14607636) -
2021 - CRC - 8/18/20
Climate Controls 159
Climate Controls
Climate Control Systems
Climate Control Systems . . . . . . . . . . . . . . . 159
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Maintenance
Air Intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Passenger Compartment Air Filter . . . . . 161
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Climate Control Systems
The heating, cooling, defrosting, and ventilation for the vehicle can be controlled with this
system.
1. Temperature Control
2. Air Delivery Modes
3. Fan Control
4. Defrost5. Rear Window Defogger
6. Air Conditioning
7. Recirculation

Buick Encore Owner Manual (GMNA-Localizing-U.S./Canada-14607636) -
2021 - CRC - 8/18/20
Climate Controls 161
Caution (Continued)
lines in the rear glass. These actions may
damage the rear defogger. Repairs would
not be covered by the vehicle warranty.
Air Vents
Use the louvers located on the air vents to
change the direction of the airflow.
Use the thumbwheels near the air vents to
control the amount of airflow or to shut off
the airflow.
Operation Tips
.Keep all outlets open whenever possible
for best system performance.
.Keep the paths under all seats clear of
objects to help circulate the air inside the
vehicle more effectively.
.Clear away any ice, snow, or leaves from
the air inlets at the base of the
windshield that can block the flow of air
into the vehicle.
.Clear snow off the hood to improve
visibility and help decrease moisture
drawn into the vehicle.
.Use of non-GM approved hood deflectors
can adversely affect the performance of
the system.
Maintenance
Air Intake
Clear away any ice, snow, or leaves from
the air intake at the base of the windshield
that can block the flow of air into the
vehicle.
Passenger Compartment Air Filter
The filter removes dust, pollen, and other
airborne irritants from outside air that is
pulled into the vehicle.
The filter should be replaced as part of
routine scheduled maintenance. See
Maintenance Schedule0267. To find out
what type of filter to use, see Maintenance
Replacement Parts 0276.
1. Open the glove box completely and disconnect the damper on the
outboard side.
2. Push in both sides of the glove box andpull to remove.
3. Open the filter cover by releasing tabson both sides and pulling up the cover.

Buick Encore Owner Manual (GMNA-Localizing-U.S./Canada-14607636) -
2021 - CRC - 8/18/20
162 Climate Controls
4. Replace the air filter.
5. Close the air filter cover and reinstall theglove box.
See your dealer if additional assistance is
needed.
Service
All vehicles have a label underhood that
identifies the refrigerant used in the vehicle.
The refrigerant system should only be
serviced by trained and certified technicians.
The air conditioning evaporator should never
be repaired or replaced by one from a
salvage vehicle. It should only be replaced
by a new evaporator to ensure proper and
safe operation.
During service, all refrigerants should be
reclaimed with proper equipment. Venting
refrigerants directly to the atmosphere is
harmful to the environment and may also
create unsafe conditions based on
inhalation, combustion, frostbite, or other
health-based concerns.
The air conditioning system requires periodic
maintenance. See Maintenance Schedule
0 267.

Buick Encore Owner Manual (GMNA-Localizing-U.S./Canada-14607636) -
2021 - CRC - 8/18/20
Vehicle Care 201
Vehicle Care
General Information
General Information . . . . . . . . . . . . . . . . . . . 202
California Proposition 65 Warning . . . . . 202
California Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . . . . . . . . . . 202
Accessories and Modifications . . . . . . . . . 202
Vehicle Checks
Doing Your Own Service Work . . . . . . . . 203
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Engine Compartment Overview . . . . . . . . 205
Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Engine Oil Life System . . . . . . . . . . . . . . . . . 210
Automatic Transmission Fluid . . . . . . . . . . 210
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . 211
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . 212
Engine Overheating . . . . . . . . . . . . . . . . . . . . 215
Washer Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Brake Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Battery - North America . . . . . . . . . . . . . . . 219
All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . . . . 219
Starter Switch Check . . . . . . . . . . . . . . . . . . . 219
Automatic Transmission Shift Lock Control Function Check . . . . . . . . . . . . . . 220
Park Brake and P (Park) Mechanism Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Wiper Blade Replacement . . . . . . . . . . . . . 220 Windshield Replacement . . . . . . . . . . . . . . . 221
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Headlamp Aiming
Front Headlamp Aiming . . . . . . . . . . . . . . . 223
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . 223
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . 223
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Headlamps, Front Turn Signal and
Parking Lamps . . . . . . . . . . . . . . . . . . . . . . . 223
Taillamps, Turn Signal, Sidemarker, Stoplamps, and Back-Up Lamps . . . . . . 224
License Plate Lamp . . . . . . . . . . . . . . . . . . . . 225
Electrical System
Electrical System Overload . . . . . . . . . . . . 226
Fuses and Circuit Breakers . . . . . . . . . . . . . 226
Engine Compartment Fuse Block . . . . . . . 227
Instrument Panel Fuse Block . . . . . . . . . . 230
Rear Compartment Fuse Block . . . . . . . . . 231
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
All-Season Tires . . . . . . . . . . . . . . . . . . . . . . . . 233
Winter Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Tire Sidewall Labeling . . . . . . . . . . . . . . . . . 234
Tire Designations . . . . . . . . . . . . . . . . . . . . . . 235
Tire Terminology and Definitions . . . . . . 236
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Tire Pressure Monitor System . . . . . . . . . 239 Tire Pressure Monitor Operation . . . . . . 240
Tire Inspection . . . . . . . . . . . . . . . . . . . . . . . . 242
Tire Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . 242
When It Is Time for New Tires . . . . . . . . 243
Buying New Tires . . . . . . . . . . . . . . . . . . . . . 244
Different Size Tires and Wheels . . . . . . . 245
Uniform Tire Quality Grading . . . . . . . . . 245
Wheel Alignment and Tire Balance . . . . 247
Wheel Replacement . . . . . . . . . . . . . . . . . . . 247
Tire Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . 248
Tire Changing . . . . . . . . . . . . . . . . . . . . . . . . . 249
Compact Spare Tire . . . . . . . . . . . . . . . . . . . . 252
Jump Starting
Jump Starting - North America . . . . . . . . 253
Towing the Vehicle
Towing the Vehicle . . . . . . . . . . . . . . . . . . . . 255
Recreational Vehicle Towing . . . . . . . . . . . 256
Appearance Care
Exterior Care . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Interior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264

Buick Encore Owner Manual (GMNA-Localizing-U.S./Canada-14607636) -
2021 - CRC - 8/18/20
206 Vehicle Care
1.Engine Air Cleaner/Filter 0211.
2. Engine Oil Fill Cap. See Engine Oil0208.
3. Engine Oil Dipstick. See Engine Oil0208.
4. Engine Cooling Fan (Out of View). See Cooling System 0212.
5. Engine Coolant Surge Tank and Pressure Cap. See Cooling System 0212.
6. Brake Fluid Reservoir. See Brakes0217.
7. Auxiliary Fuse Block. See Engine
Compartment Fuse Block 0227.
8. Battery - North America 0219.
9. Windshield Washer Fluid Reservoir. See Washer Fluid 0216.
10. Engine Compartment Fuse Block 0227.

Buick Encore Owner Manual (GMNA-Localizing-U.S./Canada-14607636) -
2021 - CRC - 8/18/20
Vehicle Care 207
1.4L L4 Engine (LUV)
1. Engine Air Cleaner/Filter 0211.
2. Engine Oil Dipstick. See Engine Oil0208.
3. Engine Cooling Fan (Out of View). See Cooling System 0212.
4. Engine Oil Fill Cap. See Engine Oil0208. 5. Engine Coolant Surge Tank and Pressure
Cap. See Cooling System 0212.
6. Brake Fluid Reservoir. See Brakes0217.
7. Auxiliary Fuse Block. See Engine
Compartment Fuse Block 0227.
8. Battery - North America 0219. 9. Windshield Washer Fluid Reservoir. See
Washer Fluid 0216.
10. Engine Compartment Fuse Block 0227.

Buick Encore Owner Manual (GMNA-Localizing-U.S./Canada-14607636) -
2021 - CRC - 8/18/20
210 Vehicle Care
Used oil can be a threat to the environment.
If you change your own oil, be sure to drain
all the oil from the filter before disposal.
Never dispose of oil by putting it in the
trash or pouring it on the ground, into
sewers, or into streams or bodies of water.
Recycle it by taking it to a place that
collects used oil.
Engine Oil Life System
When to Change Engine Oil
This vehicle has a computer system that
indicates when to change the engine oil and
filter. This is based on a combination of
factors which include engine revolutions,
engine temperature, and miles driven. Based
on driving conditions, the mileage at which
an oil change is indicated can vary
considerably. For the oil life system to work
properly, the system must be reset every
time the oil is changed.
When the system has calculated that oil life
has been diminished, it indicates that an oil
change is necessary. A CHANGE ENGINE OIL
SOON DIC message comes on. Change the
oil as soon as possible within the next
1 000 km (600 mi). It is possible that,
if driving under the best conditions, the oil
life system might indicate that an oil changeis not necessary for up to a year. The
engine oil and filter must be changed at
least once a year and, at this time, the
system must be reset. Your dealer has
trained service people who will perform this
work and reset the system. It is also
important to check the oil regularly over the
course of an oil drain interval and keep it at
the proper level.
If the system is ever reset accidentally, the
oil must be changed at 5 000 km (3,000 mi)
since the last oil change. Remember to reset
the oil life system whenever the oil is
changed.
How to Reset the Engine Oil Life System
Reset the system whenever the engine oil is
changed so that the system can calculate
the next engine oil change. To reset the
system:
1. Press the MENU button to show Remaining Oil Life on the display. This
display shows an estimate of the oil’s
remaining useful life. If 99% is displayed,
that means that 99% of the current oil
life remains. 2. To reset the engine oil life system, press
the SET/CLR button while the oil life
display is active. After a few seconds,
there will be a single chime and the oil
life will be reset to 100%.
Be careful not to reset the oil life display
accidentally at any time other than after the
oil is changed. It cannot be reset accurately.
If the CHANGE ENGINE OIL SOON DIC
message comes back on when the vehicle is
started, the engine oil life system has not
reset. Repeat the procedure.
Automatic Transmission Fluid
How to Check Automatic Transmission
Fluid
It is not necessary to check the transmission
fluid level. A transmission fluid leak is the
only reason for fluid loss. If a leak occurs,
take the vehicle to your dealer and have it
repaired as soon as possible.
There is a special procedure for checking and
changing the transmission fluid. Because this
procedure is difficult, you should have this
done at your dealer.

Buick Encore Owner Manual (GMNA-Localizing-U.S./Canada-14607636) -
2021 - CRC - 8/18/20
Vehicle Care 211
Caution
Use of the incorrect automatic
transmission fluid may damage the
vehicle, and the damage may not be
covered by the vehicle warranty. Always
use the correct automatic transmission
fluid. SeeRecommended Fluids and
Lubricants 0275.
Change the fluid at the intervals listed in
Maintenance Schedule 0267, and be sure to
use the fluid listed in Recommended Fluids
and Lubricants 0275.
Engine Air Cleaner/Filter
The engine air cleaner/filter is in the engine
compartment on the passenger side of the
vehicle. See Engine Compartment Overview
0 205.
When to Inspect the Engine Air Cleaner/
Filter
For intervals on changing and inspecting the
engine air cleaner/filter, see Maintenance
Schedule 0267.
How to Inspect the Engine Air Cleaner/
Filter
Do not start the engine or have the engine
running with the engine air cleaner/filter
housing open. Before removing the engine
air cleaner/filter, make sure that the engine
air cleaner/filter housing and nearby
components are free of dirt and debris.
Remove the engine air cleaner/filter. Lightly
tap and shake the engine air cleaner/filter
(away from the vehicle), to release loose
dust and dirt. Inspect the engine air cleaner/
filter for damage, and replace if damaged.
Do not clean the engine air cleaner/filter
with water or compressed air. To inspect or replace the air cleaner/filter:
1.4L L4 Engine (LE2)
1.4L L4 Engine (LUV)

Buick Encore Owner Manual (GMNA-Localizing-U.S./Canada-14607636) -
2021 - CRC - 8/18/20
212 Vehicle Care
1. Remove the two screws, tilt the cover,and slide it out of the assembly.
{Warning
If part replacement is necessary, the part
must be replaced with one of the same
part number or with an equivalent part.
Use of a replacement part without the
same fit, form, and function may result
in personal injury or damage to the
vehicle.
2. Inspect or replace the engine air cleaner/ filter.
3. Lower the cover, slide it into the assembly, then secure with the two
screws.
See Maintenance Schedule 0267 for
replacement intervals.
{Warning
Operating the engine with the air
cleaner/filter off can cause you or others
to be burned. Use caution when working
on the engine. Do not start the engine or
(Continued)
Warning (Continued)
drive the vehicle with the air cleaner/
filter off, as flames may be present if the
engine backfires.
Caution
If the air cleaner/filter is off, dirt can
easily get into the engine, which could
damage it. Always have the air cleaner/
filter in place when driving.
Cooling System
The cooling system allows the engine to
maintain the correct working temperature.
1.4L L4 Engine (LE2)
1. Engine Cooling Fan (Out of View)
2. Engine Coolant Surge Tank andPressure Cap

Buick Encore Owner Manual (GMNA-Localizing-U.S./Canada-14607636) -
2021 - CRC - 8/18/20
Service and Maintenance 267
Because of the way people use vehicles,
maintenance needs vary. There may need to
be more frequent checks and services. The
Additional Required Services - Normal are for
vehicles that:
.Carry passengers and cargo within
recommended limits on the Tire and
Loading Information label. SeeVehicle
Load Limits 0170.
.Are driven on reasonable road surfaces
within legal driving limits.
.Use the recommended fuel. See
Recommended Fuel 0196.
Refer to the information in the Maintenance
Schedule Additional Required Services -
Normal chart.
The Additional Required Services - Severe are
for vehicles that are:
.Mainly driven in heavy city traffic in hot
weather.
.Mainly driven in hilly or mountainous
terrain.
.Frequently towing a trailer.
.Used for high speed or competitive
driving.
.Used for taxi, police, or delivery service. Refer to the information in the Maintenance
Schedule Additional Required Services -
Severe chart.
{Warning
Performing maintenance work can be
dangerous and can cause serious injury.
Perform maintenance work only if the
required information, proper tools, and
equipment are available. If they are not,
see your dealer to have a trained
technician do the work. See
Doing Your
Own Service Work 0203.
Maintenance Schedule
Owner Checks and Services
Check the engine oil level. See Engine Oil
0 208.
Once a Month
.Check the tire inflation pressures. See Tire
Pressure 0238.
.Inspect the tires for wear. See Tire
Inspection 0242.
.Check the windshield washer fluid level.
See Washer Fluid 0216.
Engine Oil Change
When the CHANGE ENGINE OIL SOON DIC
message displays, have the engine oil and
filter changed within the next 1 000 km/
600 mi. If driven under the best conditions,
the engine oil life system may not indicate
the need for vehicle service for up to a year.
The engine oil and filter must be changed at
least once a year and the oil life system
must be reset. Your trained dealer technician
can perform this work. If the engine oil life
system is reset accidentally, service the
vehicle within 5 000 km/3,000 mi since the
last service. Reset the oil life system when
the oil is changed. See Engine Oil Life
System 0210.
Air Conditioning Desiccant (Replace 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.