The 2009 Acura RL is a midsize luxury sedan available in three trim levels: RL, RL Technology Package and the eloquently named RL Technology Package with CMBS. The base RL comes very well stocked, with 18-inch alloy wheels, xenon headlights, 10-way power and heated front seats with driver memory settings, leather upholstery, a sunroof, a keyless ignition, Bluetooth connectivity, steering-wheel-mounted audio controls and a 10-speaker Bose surround-sound system with a six-disc CD/DVD-audio changer, satellite radio and both a USB port and an auxiliary audio jack.The Technology Package adds adaptive headlights, a rearview camera, a GPS-linked and solar-sensing climate-control system, AcuraLink real-time weather reporting, a navigation system (with real-time traffic and traffic rerouting capabilities), ventilated front seats and voice-command functionality for climate, audio and navigation functions. The CMBS package adds adaptive cruise control, real wood instrument-panel trim and Acura's Collision Mitigation Braking System technology (hence its name).