See also:

STS-V
A performance-oriented V edition of the STS goes on sale as a 2006 model. Equipped with a supercharged 4.4-liter V-8 that produces 469 hp at 6,400 rpm and 439 pounds-feet of torque at 3,800 rpm, t ...

Satellite Radio
Vehicles with an XM™ Satellite Radio tuner and a valid XM Satellite Radio subscription can receive XM programming. ...

StabiliTrak® System
StabiliTrak assists with directional control of the vehicle in difficult driving conditions. The system turns on automatically every time the vehicle is started. - To turn off both traction ...