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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 ...

Heated Steering Wheel
The vehicle may be equipped with a heated steering wheel. (Heated Steering Wheel): Press to turn the heated steering wheel on or off. A light on the button displays when the feature is tur ...

Reclining Seatbacks (Bucket Seats Only)
On vehicles with second row bucket seats, the seatbacks can be reclined. To recline the seatback: 1. Lift the lever on the outboard side of the seat. 2. Move the seatback to the desired position, ...