There are 20 choices

• amplifier
  • high performance system
    • 2 headphone jacks
    • Without 2 headphone jacks
  • premium audio system
• control panel
  • (radio and heat)
    • phone
      • heated seat
        • seat ventilation
          • black air control buttons
          • chrome air control buttons
        • Without seat ventilation
          • black air control buttons
          • chrome air control buttons
      • Without heated seat
        • (without seat ventilation)
          • black air control buttons
          • chrome air control buttons
    • Without phone
      • heated seat
        • seat ventilation
          • black air control buttons
          • chrome air control buttons
        • Without seat ventilation
          • black air control buttons
          • chrome air control buttons
      • Without heated seat
        • (without seat ventilation)
          • black air control buttons
          • chrome air control buttons
• display
  • radio-heat-AC
• receiver
  • AM-FM-CD
    • 6 disc
    • single disc
      • MP3 player
      • Without MP3 player
• tuner
  • (satellite)