This comprehensive GMC Sierra Owners Manual covers all model years from 2004 to 2009. It's your complete guide to understanding and operating your vehicle, from basic features to advanced maintenance procedures. Explore everything from the instrument cluster and entertainment system to climate controls, lights, driver controls, locks and security, seating and safety restraints, and driving tips.

The manual also provides detailed information on customer assistance, reporting safety defects, cleaning, and comprehensive maintenance and specifications. Learn about the engine compartment, engine oil, battery, fuel information, air filters, part numbers, refill capacities, lubricant specifications, and available accessories.

With clear instructions, numerous diagrams, and easy-to-follow steps, this manual empowers you to confidently perform basic maintenance and repairs, saving you time and money.

The GMC Sierra, a full-size pickup truck produced by General Motors, has been a staple in the American automotive landscape since its inception in 1999. The 2004-2009 model years mark the second generation of the Sierra, showcasing a robust design and a powerful engine lineup. These Sierras were available in a variety of configurations, including regular cab, extended cab, and crew cab body styles, with bed lengths ranging from 6.5 feet to 8 feet. They offered various trim levels, from the basic work truck to the luxurious Denali, catering to a wide range of needs and budgets. Under the hood, these trucks were powered by a selection of gasoline V8 engines, including the 4.3L Vortec, 4.8L Vortec, 5.3L Vortec, and 6.0L Vortec, offering ample power for towing, hauling, and everyday driving.

The GMC Sierra during this period was renowned for its rugged construction, spacious interior, and advanced features. The interior design emphasized practicality and comfort, boasting comfortable seating, generous storage space, and a variety of available amenities such as power windows, locks, and mirrors, as well as a premium sound system. The Sierra also offered a suite of safety features, including anti-lock brakes, traction control, and multiple airbags. These trucks were popular among consumers for their versatility, reliability, and ability to handle demanding tasks with ease. The GMC Sierra 2004-2009 stands as a testament to the brand's commitment to building durable and capable pickup trucks that meet the needs of both work and leisure activities.