The 2012 Buick LaCrosse represents a full-size luxury sedan, embodying Buick's legacy of refined engineering and comfortable American automobiles. This generation of the LaCrosse, part of the second generation, offers a sleek design and advanced platform, aiming to provide a premium driving experience. It is equipped with smooth and powerful V6 engines, with available all-wheel drive (AWD) and advanced technology features such as adaptive cruise control and an advanced infotainment system. The LaCrosse is recognized for its spacious cabin, premium materials, and quiet ride, making it a compelling choice in its segment. This comprehensive workshop service repair manual provides detailed information essential for the maintenance and repair of the 2012 Buick LaCrosse, covering all models, engines, trims, and transmission types. Within its extensive pages, you will find step-by-step instructions for scheduled maintenance, component removal and installation, diagnostic tests, and repair procedures for all major vehicle systems, including engine mechanical, performance, drivetrain, brakes, steering, suspension, electrical systems, HVAC, and more. The manual also includes troubleshooting guides and diagnostic trouble codes to assist owners, mechanics, and technicians in effectively maintaining and repairing the vehicle.