Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
336 Service and Maintenance
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 0208.
.Are driven on reasonable road surfaces
within legal driving limits.
.Use the recommended fuel. See
Recommended Fuel 0254.
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 0269.
Maintenance Schedule
Owner Checks and Services
Check the engine oil level. See Engine Oil
0 272.
Once a Month
.Check the tire inflation pressures. See Tire
Pressure 0302.
.Inspect the tires for wear. See Tire
Inspection 0308.
.Check the windshield washer fluid level.
See Washer Fluid 0280.
Engine Oil Change
When the CHANGE ENGINE OIL SOON
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 0274.
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.
See Engine Air Filter Life System 0275.
Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
Service and Maintenance 337
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.
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.
SeeTire Rotation 0308.
.Check engine oil level and oil
life percentage. If needed, change engine
oil and filter, and reset oil life system.
See Engine Oil 0272 and
Engine Oil Life System 0274.
.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 0275.
.Check engine coolant level. See Cooling
System 0276.
.Check windshield washer fluid level. See
Washer Fluid 0280.
.Check tire inflation pressures. See Tire
Pressure 0302.
.Inspect tire wear. See Tire Inspection
0 308.
.Visually check for fluid leaks.
.Inspect brake system. See Exterior Care
0 326.
.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 Care0326.
.Inspect power steering for proper
electrical connections, binding, 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 053.
.Visually inspect the fuel system, including
the evaporative (EVAP) system, for
damage or leaks. Visually check all fuel
pipes, vapor lines, and hoses for proper
attachment, connection, routing, and
condition.
.Visually inspect exhaust system and
nearby heat shields for loose or damaged
parts.
.Lubricate body components. See Exterior
Care 0326.
.Check parking brake and automatic
transmission park mechanism. See Park
Brake and P (Park) Mechanism Check
0 283.
.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 ability is low, service the gas strut.
See Gas Strut(s) 0285.
.Inspect sunroof track and seal,
if equipped. See Sunroof033.
