GMC Buick Encore 2022 Owner's Manual page 230

Service and Maintenance 229
Maintenance Schedule Additional
Required Services - Severe
Rotate tires and perform Required Services. Check engine oil
level and oil life percentage. Change engine oil and filter,
if needed.
Replace passenger compartment air filter. (1)
Replace engine air cleaner filter. (2)
Change automatic transmission fluid.
Replace spark plugs. Inspect spark plug wires and/or boots.
Change rear axle fluid, if equipped with AWD. (3)
Drain and fill engine cooling system. (4)
Visually inspect accessory drive belts. (5)
Replace brake fluid. (6)
Replace front and rear wiper blades. (7)
Replace hood and/or body lift support gas struts. (8)
Replace air conditioning desiccant. (9)