The 2009 Lexus IS 350 compact luxury sport sedan is available in a single trim level. Standard features include 17-inch wheels, a sunroof, leather seating, power front seats, automatic dual-zone climate control and a premium audio system with a six-disc CD changer and an auxiliary audio jack.Optional features (mostly offered through packages) include 18-inch alloy wheels, heated and ventilated front seats, a memory function for the driver and passenger seats, adaptive bi-xenon headlights, a power rear sunshade, 18-inch wheels and rain-sensing wipers. Also available are a navigation system, a Mark Levinson surround-sound audio system, satellite radio, Bluetooth connectivity, adaptive cruise control, park assist and a sport-tuned suspension. A sport suspension package dubbed the X Package features a firmer suspension calibration, 18-inch wheels, sport-biased tires and aluminum pedals.