The Cadillac CT6 is a full-size luxury sedan produced for the 2016, 2017, and 2018 model years. As Cadillac's flagship offering, it was engineered to compete with established German luxury marques, emphasizing advanced technology, driver assistance systems, and luxurious appointments. Built on the GM Omega platform with a rear-wheel-drive bias and available all-wheel drive, the CT6 offered a choice of potent powertrains, including a 2.0L turbocharged inline-four, a 3.6L V6, and a powerful 3.0L twin-turbocharged V6, all paired with an 8-speed automatic transmission. Its design and engineering reflect a commitment to sophisticated performance and comfort, making it a notable entry in the luxury sedan segment.

This comprehensive factory workshop service repair manual provides detailed information for the Cadillac CT6 (2016-2018). It covers all essential systems, including engine mechanicals, fuel and ignition systems, powertrain control, drivetrain components, chassis, suspension, brakes, body, and extensive electrical and electronic systems. The manual includes routine maintenance procedures, diagnostic troubleshooting guides, repair and rebuild instructions, and component replacement procedures, supported by high-resolution illustrations, photos, and diagrams. This resource is designed to assist owners, mechanics, and technicians in maintaining, diagnosing, and repairing the vehicle effectively and efficiently.