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STS adds direct-injection V-6
For 2008, STS will be the first GM vehicle equipped with a new 3.6-liter direct-injected V-6 engine. The new base powerplant, with 298 horsepower (222 kW), delivers 40 more horsepower; and torque ...

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 ...

Auto Door Lock
This feature allows you to select when the vehicle's doors will automatically lock. See Automatic Door Locks for more information. Press the customization button until Auto Door Lock appear ...