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About ZnGuy

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  • Lexus Model
    2005 GX470
  1. I need to install XM in GX470 ('05). The dealer cost is $595 plus tax. Is there a cheaper option that you have used? thx
  2. My version is 4.2 , is there a more current vewrsion for my NAV system

  3. What is best way for me to upgrade software on my Navigation and how can I tell what version I currently have? thx
  4. I know this topic has been discussed many times but most of replies are dated . I was wondering what the best route to installing XM on an '05 GX. I understand it can be costly and is not a standard install but hoping systems have gotten better, cheaper and easier to install. Thx