GMC 2018 Acadia Denali Owner's Manual page 332

indicate the need for vehicle service
for up to one 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 0 266.
Tire Rotation and Required
Services Every 10 000 km/
6,000 mi
Rotate the tires, if recommended for
the vehicle, and perform the
following services. See Tire
Rotation 0 300.
Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system.
See Engine Oil 0 264 and
Engine Oil Life System 0 266.
Check engine coolant level. See
Cooling System 0 268.
Check windshield washer fluid
level. See Washer Fluid 0 273.
Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care 0 320. Replace worn or
damaged wiper blades. See
Wiper Blade Replacement
0 277.
Check tire inflation pressures.
See Tire Pressure 0 293.
Inspect tire wear. See Tire
Inspection 0 299.
Visually check for fluid leaks.
Inspect engine air cleaner filter.
Or every 6 months, whichever
comes first. See Engine Air
Cleaner/Filter 0 267.
Inspect brake system. See
Exterior Care 0 320.
Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care 0 320.
Service and Maintenance
Check restraint system
components. See Safety System
Check 0 72.
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 0 320.
Check starter switch. See Starter
Switch Check 0 276.
Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check
0 277.
Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check
0 277.
Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
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