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 ...

Instrument Panel Illumination Control
The instrument panel brightness knob is located on the instrument panel next to the steering column. (Instrument Panel Brightness): Turn the knob clockwise or counterclockwise to brighten ...

Lumbar Adjustment
To adjust the lumbar support: Press and hold the front or rear of the control to increase or decrease lumbar support. Press and hold the top or bottom of the control to raise or lower the ...