There are 29 choices

• SIERRA DENALI 1500
  • Air Bag
    • (on transmission tunnel)
      • (ID 13580451)
  • Body Control (BCM)
    • (under steering column)
  • Communication
    • (OnStar, opt UE1)
      • (center dash, behind radio)
        • ID 22767377
        • ID 22832743
        • ID 22898335
  • Driver Side Assist
    • (park assist)
      • (below Passenger Side front seat)
  • Fuel Pump
    • (left hand frame rail)
      • integrated trailer brake control (opt JL1)
      • Without integrated trailer brake control
  • Memory
    • (under Driver Side seat)
• SIERRA DENALI 2500
  • Air Bag
    • (on transmission tunnel)
  • Body Control (BCM)
    • (under steering column)
  • Communication
    • (OnStar, opt UE1)
      • (center dash, behind radio)
        • ID 22767377
        • ID 22832743
        • ID 22898335
  • Driver Side Assist
    • (park assist)
      • (below Passenger Side front seat)
  • Memory
    • (under Driver Side seat)
  • Towing Control
    • (left hand rear frame)
  • Transfer Case
    • (left hand dash)
  • Transmission
    • (left hand fan shroud)
      • (Automatic Transmission, 6 speed, opt MW7)
• SIERRA DENALI 3500
  • Air Bag
    • (on transmission tunnel)
  • Body Control (BCM)
    • (under steering column)
  • Communication
    • (OnStar, opt UE1)
      • (center dash, behind radio)
        • ID 22767377
        • ID 22832743
        • ID 22898335
  • Driver Side Assist
    • (park assist)
      • (below Passenger Side front seat)
  • Memory
    • (under Driver Side seat)
  • Towing Control
    • (left hand rear frame)
  • Transfer Case
    • (left hand dash)
  • Transmission
    • (left hand fan shroud)
      • (Automatic Transmission, 6 speed, opt MW7)