The 2009 Lincoln Navigator L is an extended-wheelbase full-size luxury SUV that comes in one loaded trim level. Standard features include 18-inch alloy wheels; parking sensors; a power liftgate; a rearview-mirror-mounted back-up camera; leather upholstery; adjustable pedals; a power tilt-and-telescoping steering wheel; power front seats with heating, cooling and memory; heated second-row seats; a second-row center console with auxiliary climate controls; power-folding third-row seats; Sync and a THX-certified 14-speaker audio system with a six-CD changer, satellite radio and an auxiliary input jack.Newly optional this year is a hard-drive-based navigation system with voice recognition and 10 gigabytes of music storage. Note that the navigation system replaces the six-CD changer with a single-CD unit, and it shifts the back-up camera display from the rearview mirror to the information screen in the center stack. The navigation system is also only available as part of the elite package, which includes a sunroof, power-folding running boards and a rear-seat DVD entertainment system. The monochrome appearance package cuts down on some of the exterior chrome trim and adds side-mirror-mounted puddle lights and special leather seats. The heavy-duty trailer tow package tacks on an automatic load-leveling rear suspension, an integrated tow hitch and a heavy-duty radiator and transmission cooler. À la carte options include 20-inch chrome wheels, a sunroof and upgraded leather seats.