The 2003 Buick Rendezvous is a mid-size crossover SUV designed for families seeking a versatile and comfortable vehicle. Built on the GM U-body platform, it emphasizes a smooth ride, a spacious interior, and flexible seating arrangements, including an optional third row. Known for its 'QuietTuning' sound insulation and a balance of power and efficiency from its V6 engine options, the Rendezvous offered a refined driving experience within its segment, competing with vehicles like the Ford Explorer and Toyota Highlander. This comprehensive Workshop Service Repair Manual provides detailed information for all 2003 Buick Rendezvous models, engines, and trim levels. It covers essential maintenance schedules, procedures, and specifications, along with in-depth troubleshooting and diagnostic guidance for all major vehicle systems, including the engine, transmission, brakes, suspension, and electrical components. With step-by-step repair instructions, torque specifications, and information on special tools, this manual is an indispensable resource for owners, mechanics, and technicians to ensure the proper maintenance and repair of the vehicle.