The Jaguar XJ, specifically the X350 generation introduced for the 2003 model year, represents a pinnacle of British luxury and engineering. This full-size luxury sedan is characterized by its classic Jaguar styling, combined with modern performance and comfort. Notable features include a unique bonded aluminum monocoque chassis, which enhances rigidity and reduces weight, and a computer-controlled adaptive air suspension system (CATS). Available with a range of sophisticated Jaguar AJ-V8 engines, from the 3.5L to the powerful 4.2L supercharged variants, and a 3.0L V6 option, the XJ was designed to compete with the finest luxury sedans of its era, offering a refined driving experience and exceptional build quality.

This manual serves as a comprehensive Vehicle Maintenance Sheet, providing essential information for professional technicians. Its scope covers scheduled maintenance tasks for all key vehicle systems, including detailed procedures for engine, transmission, braking, suspension, cooling, fuel, exhaust, and electrical systems. The document outlines specific service intervals for routine maintenance items such as oil changes, filter replacements, and fluid flushes, alongside guidance on component inspections. While focusing on the necessary tasks for maintaining the vehicle's optimal performance and longevity, this English-language digital document is tailored for dealership-level service, ensuring that the Jaguar XJ continues to deliver its renowned blend of luxury and driving dynamics.