The Buick Lucerne, a full-size luxury sedan produced from 2006 to 2009, represents a period of refined comfort and dependable performance in Buick's North American market presence. This generation of the Lucerne offered a smooth driving experience, catering to those who value a spacious interior and a comfortable ride. With a focus on engineering quality and reliability, the Lucerne was designed to provide a high level of driver and passenger satisfaction, making it a notable choice for daily commuting and longer journeys. This comprehensive service repair manual provides in-depth information for all models and engines of the 2006-2009 Buick Lucerne, serving as an invaluable resource for do-it-yourselfers and experienced mechanics alike. It covers a vast array of topics, including detailed engine overhaul and rebuilding procedures, brake system servicing, suspension and alignment, transmission repair, and climate control maintenance. The manual features hundreds of detailed illustrations, diagrams, wiring schematics, and step-by-step instructions, along with troubleshooting guides and diagnostic trouble code analysis, ensuring owners can effectively maintain and repair their vehicle and save on service costs.