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 ...

California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel i ...

Folding the Seatback
To fold the seatback: 1. Open the liftgate to access the controls for the seat. 2. Remove all items on the seat cushion. Notice: Folding a rear seat with the safety belts still fastened may cause d ...