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 ...

Immobilizer Operation
This vehicle has a passive theft-deterrent system. The system does not have to be manually armed or disarmed. The vehicle is automatically immobilized when the vehicle is turned off. The immo ...

Safety
Side-impact airbags for the front seats, antilock brakes and programmable daytime running lights are standard. Dual-stage front airbags operate with a passenger-sensing system. Ultrasonic Rear Par ...