There are 31 choices

• Air Bag
  • (on transmission tunnel)
• Body Control (BCM)
  • (under steering column)
• Communication
  • (OnStar, opt UE1)
    • (center dash, behind radio)
• Driver Side Assist
  • (park assist)
    • (Passenger Side cab back panel)
      • ID 13447859
      • ID 13447860
      • ID 23444865
      • ID 23444866
• Fuel Pump
  • (left hand frame rail)
• Information-GPS-TV
  • (Passenger Side dash)
    • (human machine interface, HMI)
      • radio opt IO4
        • ID 23129450
        • ID 23229331
        • ID 23443745
      • radio opt IO5
        • ID 23129433
        • ID 23228498
        • ID 23266007
      • radio opt IO6
        • ID 23228496
        • ID 23443747
• Memory
  • (under Driver Side seat)
• Multifunction
  • (roof mounted)
• Suspension
  • (left hand rear frame)
    • eco-light sales package (opt EDA)
    • Without eco-light sales package
• Temperature
  • (Passenger Side under dash)
    • ID 13506228
    • ID 13506229
    • ID 13587754
    • ID 13587755
    • ID 13591692
    • ID 13591693
    • ID 13594963
• Towing Control
  • (left hand rear frame)
• Transfer Case
  • (left hand dash)
    • ID 23285501
    • ID 23287058
• Transmission
  • (left hand firewall)
    • (8 speed, opt M5U)