ASE MASTER Posted October 19, 2007 Share Posted October 19, 2007 I have a 2007 IS350 with nav 6.1 and I purchased a 2008 IS350 for my wife. Her nav sustem has the new 7.1 disc. Can I use her disc to update my nav. Does the disc need to stay in the car or can I put my old disc back in. Thanks for the help. Quote Link to comment Share on other sites More sharing options...
amf1932 Posted October 19, 2007 Share Posted October 19, 2007 The 7.1 disc has to stay in your '08 IS, since that's what the Nav system reads the information from. It's not like installing a new program in your computer. From my understanding, if you try the newer disc in the '07 IS and than remove it and try to put back the 6.1 disc, it won't work anymore! Than you'll have to purchase a 7.1 disc for about $300. Good thought though. :cries: Quote Link to comment Share on other sites More sharing options...
ASE MASTER Posted October 19, 2007 Author Share Posted October 19, 2007 The 7.1 disc has to stay in your '08 IS, since that's what the Nav system reads the information from. It's not like installing a new program in your computer. From my understanding, if you try the newer disc in the '07 IS and than remove it and try to put back the 6.1 disc, it won't work anymore! Than you'll have to purchase a 7.1 disc for about $300. Good thought though.:cries: Lexus knows how to make money that is for sure. Thanks for the info. Quote Link to comment Share on other sites More sharing options...
zuck Posted December 31, 2007 Share Posted December 31, 2007 The 7.1 disc has to stay in your '08 IS, since that's what the Nav system reads the information from. It's not like installing a new program in your computer. From my understanding, if you try the newer disc in the '07 IS and than remove it and try to put back the 6.1 disc, it won't work anymore! Than you'll have to purchase a 7.1 disc for about $300. Good thought though.:cries: Lexus knows how to make money that is for sure. Thanks for the info. Why don't you burn a copy? It's dual layer DVD. Quote Link to comment Share on other sites More sharing options...
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