bickleym Posted May 4, 2009 Share Posted May 4, 2009 I just purchased a 2005 ES330 with navigation but the original DVD is missing. Will an upgrade DVD work or do I need to install a different DVD and then upgrade? Quote Link to comment Share on other sites More sharing options...
amf1932 Posted May 4, 2009 Share Posted May 4, 2009 An upgraded DVD should be recognized, and automatiically upgraded by your NAV system, unless there was a problem with the NAV system in your car. In that case, you will need to go to a Lexus Service facility to have the unit checked out. Quote Link to comment Share on other sites More sharing options...
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