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Software for 2005 Sienna Navigation System


hwilbourne

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I've searched in vain for an upgrade to the DENSO software that came with my 2005 Sienna sat nav system.  Has anyone had any success?

I think 2005 is the most recent version. There may be an upgrade in a few months as the newest version just came out about 2 weeks ago.

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Thanks, LeighCM, for the insight. I'll revisit this around the first of the year to see if an upgrade is available. The dealership (Rice Toyota, Greensboro, NC) where I purchased the vehicle seemed very limited in knowledge about GPS in general and not a clue about updated software. I was surprised and a bit disappointed.

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Thanks, LeighCM, for the insight.  I'll revisit this around the first of the year to see if an upgrade is available.  The dealership (Rice Toyota, Greensboro, NC) where I purchased the vehicle seemed very limited in knowledge about GPS in general and not a clue about updated software.  I was surprised and a bit disappointed.

Is there a reason why you want the newer version? Are there missing roads, wrong roads, etc. in your version? If so, you may want to stop by a dealership (try a Lexus dealership with a 2006 IS model in stock with Navigation) and see if that system has your road. Even some of the most recent versions don't have a lot of private roads, new roads in a subdivision, etc. It's whenever Navtech notices the road that it gets updated. Expect to spend a few hundred bucks when the new version is available.

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