The 2013 Ford F-150 has nine trim levels to specify: the XL, STX, XLT, FX2 and FX4 models, Lariat, King Ranch, Raptor and the Platinum and Limited variants. The XLT includes automatic headlights, foglights, chrome exterior trim, a keyless entry keypad, the Sync voice-activation system and Bluetooth. The FX trims add 18-inch wheels, a trailer tow package, an auto-dimming rearview mirror, a leather-wrapped and telescoping steering wheel with additional controls, front bucket seats, a six-way power-adjustable driver seat, a household power outlet, a trip computer with color display and satellite radio. Four-wheel-drive FX models also gain hill descent control, skid plates and an electronic locking rear differential. Platinum trim adds 20-inch wheels, xenon headlights, power-deployable running boards, automatic wipers, a sunroof and a navigation system.