The LaCrosse, a full-size luxury sedan from 2010, exemplifies American luxury with sophisticated styling and a comfortable ride. Built on the global GM Epsilon II platform, this model introduced a more contemporary, European-influenced design language, reflecting Buick's evolving global strategy. It typically featured a 3.6-liter V6 engine, offering a balance of performance and refinement, and was available with front-wheel drive or all-wheel drive. Known for its quiet interior and premium features, the 2010 LaCrosse was also recognized for its safety, achieving a 5-star NHTSA rating for front and side impacts and earning an IIHS Top Safety Pick designation. This comprehensive workshop service repair manual in English provides detailed information for all LaCrosse models, engines, and transmissions from 2010. It covers every aspect of vehicle maintenance and repair, including engine mechanicals, transmission service, brake systems, steering, suspension, electrical components, HVAC, bodywork, and safety systems. The manual includes step-by-step procedures for routine maintenance, troubleshooting guides with diagnostic trouble codes, and detailed repair instructions for all major systems, ensuring owners and technicians can effectively maintain and restore the vehicle's optimal performance and reliability.