The Chevrolet HHR is a distinctive compact crossover SUV, produced for the 2006, 2007, and 2008 model years. Sharing its GM Delta platform with the Chevrolet Cobalt and Pontiac G5, the HHR stands out with its retro-inspired design, evoking classic American vehicles. It offers a versatile blend of hatchback practicality and an elevated seating position, making it suitable for a variety of everyday uses. Available in LS, LT, 2LT, and the performance-oriented SS trim levels, the HHR features a range of powertrain options, including a 2.2L Ecotec engine producing 140 horsepower and a potent 2.0L turbocharged Ecotec engine in the SS variant, delivering 260 horsepower. This comprehensive service repair workshop manual provides detailed information for the Chevrolet HHR, covering all aspects from routine maintenance to in-depth repairs. It includes procedures for engine mechanical and electrical systems, transmissions (both manual and automatic), drivetrain, suspension, steering, brakes, and the complete electrical system. Furthermore, the manual details body and frame work, HVAC, and restraint systems. With step-by-step instructions, diagnostic troubleshooting guides, wiring diagrams, and precise torque specifications, this manual is an essential resource for owners, technicians, and mechanics to ensure the proper maintenance, repair, and longevity of their Chevrolet HHR.