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Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
SERVICE AND MAINTENANCE 361
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 percentage. Change engine oil and filter,
if needed. Check engine air filter life percentage and
status. Change engine air filter, if needed.
@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (2) @ @ @ @ @ @
Inspect evaporative control system. (3) @ @ @
Replace spark plugs. Inspect spark plug wires and/or
boots. (4.2L Engine)
@ @
Replace spark plugs. Inspect spark plug wires and/or
boots. (3.6L Engine)
@
Change transfer case fluid. (4) @
Change rear axle fluid. (Except V-Series) (4) @
Change rear axle fluid. (V-Series Only) (4) @ @ @
Change front axle fluid 4WD. (4) @
Drain and fill engine cooling system. (5) @
Visually inspect accessory drive belts. (6) @
Replace brake fluid. (7)
Replace windshield wiper blades. (8)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts. (9) @ @
Replace air conditioning desiccant. (10)
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