The 1998 Park Avenue is a full-size luxury sedan, designed to offer comfortable, spacious, and refined transportation. Available in Standard and Ultra trim levels, this model emphasizes a quiet, smooth ride and ample passenger space, often featuring premium amenities such as leather upholstery and automatic climate control. It was engineered to provide effortless power delivery, making it a suitable choice for long journeys and executive use. The Park Avenue represents a legacy of producing reliable and upscale American sedans, building on a history of comfort-focused vehicles.

This manual serves as a comprehensive guide for owners and technicians, detailing the operation, maintenance, and care of the 1998 Park Avenue. It covers essential areas including vehicle features and controls, instrument panel indicators, climate control, audio systems, and seating adjustments. The manual also outlines maintenance schedules, recommended fluid types, and basic DIY procedures for tasks like checking fluid levels and replacing wiper blades. Additionally, it provides important safety considerations, emergency procedures, and towing information, aiming to ensure the vehicle's optimal performance and longevity.