The Optima, first generation (MS), produced from 2001 to 2006, is a mid-size sedan designed with European styling influences and a focus on value and practicality. This model, powered by a 2.0-liter inline 4-cylinder engine (FE engine code) producing approximately 136 horsepower, offered a competitive option in its segment, targeting budget-conscious consumers. It was manufactured in South Korea and equipped with features such as a standard 5-speed manual or optional 4-speed automatic transmission, anti-lock braking system (ABS) on higher trims, and standard driver and front passenger airbags.

This comprehensive workshop manual provides full service and repair information for the Optima, covering all major systems including engine mechanicals, engine management, transmissions (manual and automatic), braking, suspension, steering, electrical, HVAC, body (interior and exterior), and safety systems. It details routine maintenance procedures like oil changes and filter replacements, as well as complex repair and diagnostic procedures. The manual is essential for owners and technicians to maintain, troubleshoot, and repair the vehicle effectively, ensuring its optimal performance and longevity.