The 2012 Cadillac CTS is a five-passenger midsize luxury sedan that is available in four trim levels: 3.0 base, 3.0 Luxury, 3.6 Performance and 3.6 Premium. The 3.0 base comes standard with 17-inch alloy wheels, automatic headlights, heated mirrors, keyless entry, cruise control, dual-zone automatic climate control, an eight-way power driver seat, leatherette premium vinyl upholstery, a tilt-and-telescoping steering wheel, an auto-dimming rearview mirror, OnStar, Bluetooth and an eight-speaker Bose sound system with a CD player and satellite radio. The 3.0 Luxury adds remote ignition, additional sound insulation, automatic wipers, a rearview camera, driver memory functions, heated eight-way power front seats (with two-way lumbar adjustment), leather upholstery, a wood-trimmed steering wheel, interior accent lighting, and a six-CD changer. Standard safety features for the 2012 Cadillac CTS include antilock disc brakes, traction control, stability control, active front head restraints, front-seat side airbags, full-length side curtain airbags and GMs OnStar emergency communications system.