The 2009 Ford Flex crossover wagon is offered in three different trim levels. The base SE is only available with front-wheel drive and comes standard with 18-inch alloy wheels, rear park assist, a 60/40-split second-row bench, a 50/50-split third-row bench that folds into the floor, rear climate controls, a power driver seat and a six-speaker CD stereo with an auxiliary audio jack. The midlevel SEL, available with either front- or all-wheel drive, adds upgraded exterior trim and 18-inch wheels, dual-zone automatic climate control, power heated front seats, leather upholstery (vinyl for the third row) and a 10-speaker stereo with satellite radio. The top-of-the-line Flex Limited, also available with either front- or all-wheel drive, boasts 19-inch wheels, xenon headlights, a power liftgate, power-adjustable pedals, a memory function for the driver seat, perforated leather upholstery and Ford's exclusive Microsoft-developed Sync multimedia interface.