BrianP Posted August 17, 2009 Share Posted August 17, 2009 I just had my first problem with the navigation system (2007 ES350). The map/destination screens said "external system not connected" and the radio screen read "audio off" while the audio was on. When I shut the car and restarted, it appeared to be OK, but is this the beginning of a problem or just a fluke occurrence? Thanks. Quote Link to comment Share on other sites More sharing options...
SW03ES Posted August 17, 2009 Share Posted August 17, 2009 Probably just a fluke. Mine has had some flukey moments over the years... Quote Link to comment Share on other sites More sharing options...
UCF3 Posted May 29, 2013 Share Posted May 29, 2013 It might be a reoccurring issue. Just got my disconnect message from the NAV system after I was troubleshooting my VAIS XM started to give out. On some of the other forums this issue is reoccurring and nobody has a permanent fix other than replacement Quote Link to comment Share on other sites More sharing options...
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