There are 30 choices

• Air Bag
  • Chassis Cab
    • ID 68303635
    • ID 68303637
  • Pickup
    • Crew Cab
      • dual rear wheels (axle)
      • single rear wheels (axle)
    • Mega Cab
      • dual rear wheels (axle)
      • single rear wheels (axle)
    • Standard Cab (2 door)
      • dual rear wheels (axle)
      • single rear wheels (axle)
• Body Control (BCM)
  • (under dash, left hand near parking brake)
• Door
  • manual folding mirrors
    • Driver Side
    • Passenger Side
  • power folding mirrors
    • Driver Side
    • Passenger Side
• Driver Side Assist
  • (park assist)
    • front and rear
    • rear only
• Information-GPS-TV
  • (compass, roof mounted)
    • garage door opener
    • Without garage door opener
• Memory
  • (seat)
• Multifunction
  • totally integrated power control (TIPM)
    • (back side of fuse panel)
      • diesel engine (6.7L)
      • gasoline engine
  • vehicle systems interface (VISM)
• Network Gateway
  • (under dash)
• Seat
  • (heat)
• Suspension
  • TPMS
    • opt WLY
    • opt WLZ
  • air suspension control
• Temperature
• Towing Control
  • (trailer brake control)
• Transfer Case
• Transmission