2011 GMC Sierra Unknown

- - - 2011 GMC Sierra 1500 2WD Ext Cab 143.5" SL - Power Windows, Power Door Locks, Tilt Wheel, Remote Keyless Entry, Cruise Control, Communications-Onboard Hands Free, Tire-Pressure Monitoring System, Security System, Engine Immobilizer/Vehicle Anti-Theft System, AM/FM Stereo, CD Player, Audio-Satellite Radio, MP3 Sound System, Tinted Glass - Deep, Additional Power Outlet(s), Air Conditioning, Seats-Front Bench-Split, Seat-Lumbar-Driver, Floor Mats-Front, Floor Mats-Rear, Cloth Seats, Mirrors-Heated Driver, Mirrors-Pwr Driver, Mirrors-Heated Passenger, Mirrors-Pwr Passenger, Heated Side Mirrors, Mirrors-Vanity-Passenger, Wheels-Chrome, Transmission-Overdrive-Switch, Headlights-Auto-Off, Headlights-Auto-On, Reading Lamps-Front, Air Bag - Driver, Air Bag - Passenger, Air Bag On/Off Switch - Passenger, Air Bags - Head, Air Bag - Side, Air Bag-Side-Head only-Rear, Traction Control, Power Steering, Front Disc Brakes, Brakes-ABS-4 Wheel, Intermittent Wipers, Daytime Running Lights