This manual provides comprehensive information for the 2003 Pontiac Sunfire, a compact car available as a Coupe, Sedan, and Convertible. Built on the J-body platform, the Sunfire was designed to offer sporty styling and affordability, appealing to value-conscious buyers and younger drivers. It was equipped with either a 2.2L Ecotec Inline-4 engine producing 140 horsepower or an optional 2.4L DOHC Inline-4 on the GT trim, generating 150 horsepower. Standard features included a 5-speed manual transmission, with a 4-speed automatic available. The vehicle's engineering focused on delivering a practical and accessible driving experience within its segment, competing with models like the Chevrolet Cavalier and Honda Civic of the era.

This owner's manual serves as an essential guide for operating, maintaining, and understanding the features of your 2003 Pontiac Sunfire. It covers critical areas such as the instrument cluster, climate controls, lighting, driver controls, locks, security, seating, and safety restraints. The manual also details routine maintenance procedures, including engine oil changes, air filter replacement, and fluid specifications, along with guidance on driving operations and basic care. While this document focuses on owner-level information and does not provide repair instructions, it is an invaluable resource for ensuring the longevity and optimal performance of your vehicle.