The 2013 Cadillac CTS Coupe seats four people and is available in base, Performance and Premium trim levels. The base CTS Coupe comes standard with 18-inch wheels, a limited-slip differential, automatic headlights, heated mirrors, rear parking sensors, keyless ignition/entry, remote ignition (requires automatic transmission), cruise control, dual-zone automatic climate control, a leather-wrapped tilt-and-telescoping steering wheel, eight-way power front seats (includes two-way lumbar adjustment), a split-folding rear seat, leatherette premium vinyl upholstery, an auto-dimming rearview mirror, OnStar emergency communications, Bluetooth phone connectivity and an eight-speaker Bose sound system with a CD player, an auxiliary audio jack and satellite radio. Standard safety equipment for every 2013 Cadillac CTS Coupe includes antilock disc brakes, traction control, stability control, front-seat side airbags, front and rear side curtain airbags, active front head restraints and rear parking sensors.