2006 GMC Sierra Unknown

- - - 2006 GMC Sierra 2500HD Crew Cab 4WD - Tilt Wheel, Engine Immobilizer/Vehicle Anti-Theft System, AM/FM Stereo, Additional Power Outlet(s), Air Conditioning, Climate Control - Dual, Seats-Front Bench-Split, Vinyl Seats, Mirrors-Vanity-Passenger, Wheels-Steel, Transmission-Overdrive-Switch, Headlights-Auto-Off, Headlights-Auto-On, Reading Lamps-Front, Air Bag - Driver, Air Bag - Passenger, Air Bag On/Off Switch - Passenger, Power Steering, Brakes-ABS-4 Wheel, 4 Wheel Drive, 4 Wheel Disc Brakes, Intermittent Wipers, Daytime Running Lights, Tow Hooks-Front