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 ...

Buying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) system rat ...

Removing the Third Row Seat
To remove the seat: 1. Open the liftgate to access the controls for the seat. 2. Fold the seatbacks forward using lever “1” and the instructions listed previously under “Folding the Seatback.” The ...