There are 36 choices

• amplifier
• control panel (radio and climate controls)
  • 4.2" screen opening
    • voice recognition (sync)
      • ID KC3T-18E243-ADB thru KC3T-18E243-ADC
      • ID KC3T-18E243-AEB thru KC3T-18E243-AEC
      • ID KC3T-18E243-AFB thru KC3T-18E243-AFC
      • ID KC3T-18E243-AHB thru KC3T-18E243-AHC
      • ID KC3T-18E243-AJB thru KC3T-18E243-AJC
      • ID KC3T-18E243-AKB thru KC3T-18E243-AKC
      • ID KC3T-18E243-BDB thru KC3T-18E243-BDC
      • ID KC3T-18E243-BEB thru KC3T-18E243-BEC
      • ID KC3T-18E243-BFB thru KC3T-18E243-BFC
      • ID KC3T-18E243-BHB thru KC3T-18E243-BHC
      • ID KC3T-18E243-BJB thru KC3T-18E243-BJC
      • ID KC3T-18E243-BKB thru KC3T-18E243-BKC
    • Without voice recognition
      • ID HC3T-18E243-BBE thru HC3T-18E243-BBF
      • ID KC3T-18E243-AAB thru KC3T-18E243-AAC
      • ID KC3T-18E243-ABB thru KC3T-18E243-ABC
      • ID KC3T-18E243-ACB thru KC3T-18E243-ACC
      • ID KC3T-18E243-BAB thru KC3T-18E243-BAC
      • ID KC3T-18E243-BBB thru KC3T-18E243-BBC
      • ID KC3T-18E243-BCB thru KC3T-18E243-BCC
  • 8.0" screen opening
    • automatic air conditioning (dual zone)
      • ID KC3T-18E245-AAB thru KC3T-18E245-AAD
      • ID KC3T-18E245-ABB thru KC3T-18E245-ABD
      • ID KC3T-18E245-ACB thru KC3T-18E245-ACD
      • ID KC3T-18E245-BAB thru KC3T-18E245-BAD
      • ID KC3T-18E245-BBB thru KC3T-18E245-BBD
      • ID KC3T-18E245-BCB thru KC3T-18E245-BCD
    • manual air conditioning
      • ID KC3T-18E243-AMB thru KC3T-18E243-AMC
      • ID KC3T-18E243-ANB thru KC3T-18E243-ANC
      • ID KC3T-18E243-APB thru KC3T-18E243-APC
      • ID KC3T-18E243-BMB thru KC3T-18E243-BMC
      • ID KC3T-18E243-BNB thru KC3T-18E243-BNC
      • ID KC3T-18E243-BPB thru KC3T-18E243-BPC
• receiver
  • voice recognition (sync)
    • (AM-FM-MP3)
      • satellite receiver
        • High Definition radio
        • Without High Definition radio
      • Without satellite receiver
  • Without voice recognition
    • (ID HC3T-18K810-AD thru HC3T-18K810-AK)