Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
348
Service and Maintenance
Maintenance Schedule
Additional Required
Services - Severe
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/1
12,500
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. Check engine oil level
and oil life percentage. Change engine oil and
filter, if needed. (1)
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Replace passenger compartment air filter. (2)
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Inspect evaporative control system. (3)
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Replace engine air cleaner filter. (4)
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Replace spark plugs. Inspect spark plug wires.
(2.0L and 3.0L Twin Turbo Engines)
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Replace spark plugs. Inspect spark plug wires.
(3.6L Engine Only)
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Change automatic transmission fluid and filter.
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Change transfer case fluid, if equipped with
AWD. (5)
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Change rear axle fluid.
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Change front axle fluid, if equipped with AWD.
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Drain and fill engine cooling system. (6)
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Visually inspect accessory drive belts. (7)
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Replace brake fluid. (8)