OnStar

See also:

High-Beam On Light
The high–beam on light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer for more information. ...

Manual Liftgate
For vehicles without keyless access, unlock the vehicle before opening the liftgate. Press the touch pad located in the handle of the liftgate, above the license plate, and lift up to open. Do ...

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 ...