bickleym Posted May 4, 2009 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?
amf1932 Posted May 4, 2009 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.
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