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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 ...

Safety
Side-impact airbags are installed in the seats. The seat belts have powered pretensioners. Four-channel all-disc antilock brakes, traction control and a stability system are standard. ...

Adjusting the Speakers (Balance/Fade)
BAL/FADE (Balance/Fade): To adjust balance or fade: 1. Press the TUNE/TONE knob until the speaker control tabs display. 2. Continue pressing the TUNE/ TONE knob, or press the softkey under ...