There are 28 choices

• Air Bag
  • classic style (creased door skin)
    • (below left hand front seat)
      • Crew Cab
        • 1500 HD
        • Excluding 1500 HD
      • Extended Cab (4 door)
        • hybrid option (opt HP2)
        • Without hybrid option
      • Regular Cab
        • passenger side seat sensor (opt AL0)
        • Without passenger side seat sensor
  • new style (smooth door skin)
    • (below left hand front seat)
      • roof air bags (opt ASF)
      • Without roof air bags
• Body Control (BCM)
  • classic style (creased door skin)
    • (under steering column)
      • Crew Cab
      • Excluding Crew Cab
  • new style (smooth door skin)
    • (under steering column)
• Communication
  • classic style (creased door skin)
    • telematics (OnStar, opt UE1)
      • (Passenger Side dash)
  • new style (smooth door skin)
    • telematics (OnStar, opt UE1)
      • (center dash, behind radio)
• Cruise Control
  • (classic style, creased door skin)
    • (left hand firewall)
      • (4.3L)
• Driver Side Assist
  • (new style, smooth door skin)
    • (park assist)
      • (below Passenger Side front seat)
• Fuel Pump
  • (new style, smooth door skin)
    • (left hand frame rail)
• Hybrid-Electric
  • battery control
    • (under back seat)
• Memory
  • classic style (creased door skin)
    • (under Driver Side seat)
      • adjustable pedals (opt JF4)
      • Without adjustable pedals
  • new style (smooth door skin)
    • (under Driver Side seat)
      • ID 20870474
      • ID 25855630
      • ID 25857034
      • ID 25909442
      • ID 25926511
• Transfer Case
  • classic style (creased door skin)
    • (left hand dash)
  • new style (smooth door skin)
    • (left hand dash)
      • transfer case opt NP8
      • transfer case opt NQH
• Transmission
  • (new style, smooth door skin)
    • (next to battery)