Maintenance Schedule Additional; Required Services - Normal; Service and Maintenance- Page 317

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-

14583509) - 2021 - CRC - 1/8/21

316

Service and Maintenance

Maintenance Schedule Additional
Required Services - Normal

12

000

km/7,500

mi

24

000

km/15,000

mi

36

000

km/22,500

mi

48

000

km/30,000

mi

60

000

km/37,500

mi

72

000

km/45,000

mi

84

000

km/52,500

mi

96

000

km/60,000

mi

108

000

km/67,500

mi

120

000

km/75,000

mi

132

000

km/82,500

mi

144

000

km/90,000

mi

156

000

km/97,500

mi

168

000

km/105,000

mi

180

000

km/112,500

mi

192

000

km/120,000

mi

204

000

km/127,500

mi

216

000

km/135,000

mi

228

000

km/142,500

mi

240

000

km/150,000

mi

Rotate tires, if recommended for the vehicle, and perform
Required Services. (1) Check engine oil level and oil life per-
centage. Change engine oil and filter, if needed.
Check engine air filter life percentage and status. Change
engine air filter, if needed.

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Replace passenger compartment air filter. (2)

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Replace spark plugs. Inspect spark plug wires and/or boots.

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Change rear axle fluid, if equipped with AWD. (3)

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Drain and fill engine cooling system. (4)

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Visually inspect accessory drive belts. (5)

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Replace brake fluid. (6)

Replace front and rear wiper blades. (7)

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Replace hood and/or body lift support gas struts. (8)

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Replace air conditioning desiccant. (9)