The Sens, produced in 1999, represents a compact and practical vehicle designed for affordable, fuel-efficient transportation. Based on the Lanos platform, which itself drew inspiration from Opel designs, the Sens offered a straightforward mechanical approach, making it a value-oriented choice in its market segment. Available in various body styles including 3-door and 5-door hatchbacks, and a 4-door sedan, it typically featured an inline 4-cylinder engine, most commonly a 1.5L SOHC or DOHC variant, producing approximately 75-90 horsepower. Its engineering quality and reliability, while subject to comparisons with established competitors of the late 1990s, were supported by accessible and uncomplicated systems, making it a common sight for DIY enthusiasts and independent repair shops. This comprehensive workshop repair service manual provides extensive coverage for all Sens 1999 models, encompassing every engine variant, trim level, and transmission type. The manual details essential maintenance procedures, including routine servicing and fluid changes, alongside in-depth troubleshooting guides for diagnosing and resolving common and complex issues. It offers step-by-step repair instructions for all major vehicle systems, from the engine, fuel, and ignition systems to the drivetrain, suspension, and braking systems. Furthermore, it includes detailed technical specifications, torque values, fluid capacities, and comprehensive electrical wiring diagrams, equipping owners, mechanics, and technicians with the necessary information to effectively maintain and repair their Sens.