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General Information
Your vehicle is an important investment. This section describes the required maintenance for the vehicle. Follow this schedule to help protect against major repair expenses resulting from neglect or ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

Power Lumbar
To adjust the lumbar support, if equipped: - Press and hold the top of the control (B) to increase support to the top of the seatback and decrease support to the bottom of the seatback. - ...