The 2011 Cadillac CTS Coupe is a midsize luxury car with seating for four. Standard base features include 18-inch alloy wheels, heated outside mirrors, rear parking sensors, dual-zone automatic climate control, full power accessories, keyless ignition/entry, cruise control, an auto-dimming rearview mirror, 10-way power-adjustable front seats, a tilt-and-telescoping steering wheel with audio controls and an eight-speaker Bose audio system with six-CD/MP3 in-dash changer and satellite radio. Stepping up to the Performance trim level adds adaptive xenon headlamps, foglights, Bluetooth, driver seat memory and heated front seats. An optional Performance Luxury package adds a rearview camera, an in-cabin air filtration system, LED interior accent lighting, heated and ventilated front seats, a heated steering wheel, power steering-wheel adjustments, wood interior trim and a 10-speaker surround-sound system that includes a 40GB hard drive for audio storage and a USB port. The range-topping Premium trim includes all of the above, then tacks on a sunroof and a touchscreen navigation system with real-time traffic and weather. Standard safety equipment for the 2011 Cadillac CTS Coupe includes antilock disc brakes, traction control, stability control, front-seat side airbags, front and rear side curtain airbags and GMs OnStar emergency communications system.