Welcome to the owner's manual for the 1999 Buick Riviera, a distinguished full-size personal luxury coupe from the eighth generation. Built on GM's G-platform, this model is recognized for its sleek, aerodynamic styling, comfortable and quiet interior, and powerful V6 engine options, including a naturally aspirated 3.8L (3800) Series II and an available supercharged variant. The Riviera was engineered to provide a refined grand touring experience, targeting buyers who sought a blend of style, comfort, and performance. Its engineering quality and reliability are hallmarks of Buick's legacy, offering a smooth ride and a luxurious ambiance for its occupants.

This comprehensive owner's manual provides essential information to help you understand, operate, and maintain your 1999 Buick Riviera. It covers key features and controls, detailed maintenance and service schedules, and practical advice for DIY tasks. You will find guidance on powertrain systems, chassis components, electrical systems, comfort and convenience features, and crucial safety systems such as airbags and ABS. Additionally, the manual includes towing considerations and safety guidelines for various driving conditions. This resource is designed for owners, mechanics, and technicians to ensure the longevity and optimal performance of the vehicle through clear instructions and technical specifications.