This workshop service repair manual provides comprehensive coverage for the 1989 Buick Reatta. The Reatta was a significant departure for Buick, designed as a luxury personal car with sleek, aerodynamic styling and a driver-focused cockpit, targeting a premium market segment. It featured a front-wheel-drive platform, powered by a 165 hp 3.8L V6 engine paired with a 4-speed automatic transaxle. Notable features included power accessories, optional premium sound systems, and available anti-lock braking. This manual details its powertrain, chassis, electrical systems, and body, offering insights into its engineering and intended premium appeal. This extensive English-language manual covers complete service and repair procedures for the 1989 Buick Reatta. It details scheduled maintenance, fluid changes, filter replacements, component repair, overhaul procedures, and troubleshooting for all major systems, including the engine, transmission, brakes, steering, fuel, and cooling systems. The manual provides step-by-step diagnostic procedures, electrical troubleshooting guides with wiring diagrams, and information on component installation and replacement. It serves as an essential resource for owners, mechanics, and technicians aiming to maintain, repair, and understand the intricacies of the Reatta, ensuring its optimal performance and longevity.