2026 Cadillac CT4 — Maintenance Guide

Complete maintenance schedule, recommended fluids, parts and estimated costs.

Recommended Fluids

Engine Oil

0W-20

5.0L

Service	Action	Interval	Condition
Brake System Flush	inspect	48 280 km	normal
Cabin Replace Air Filter	replace	24 140 km	normal
Change Oil and Filter	replace	12 070 km	normal
Cooling System Flush	inspect	241 401 km	normal
Fuel Filter Replacement	replace	160 934 km	normal
Lubricate Doors	inspect	12 070 km	normal
Lubricate Steering and Suspension	inspect	12 070 km	normal
Replace Air Filter	replace	48 280 km	normal
Replace Timing Belt	replace	160 934 km	normal
Rotate Tires	inspect	12 070 km	normal
Spark Plugs Replacement	replace	160 934 km	normal
Transfer Case Fluid Replacement	replace	160 934 km	normal
Transmission Fluid Service	inspect	80 467 km	normal
Water Pump Replacement	replace	160 934 km	normal