09-27-2010, 04:33 pm
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| Corvette Enthusiast Join Date: Aug 2007 Location: MD Posts: 32
Thanks: 6
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|  Navigation update
Learned at the Carlisle tech lecture that there is a disk to update the problems of gray areas, recalculation, etc for the 2005 nav radio. Was not readily available at Carlisle so now trying to find a good part number for this disk. Local dealers know nothing about such a disk Thanks for the consideration | ||||||||||||||||||||
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09-28-2010, 04:39 pm
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| Corvette Enthusiast Join Date: Jul 2009 Location: Carlsbad, Ca. Posts: 418
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There have been numerous "updates" to the original NAV disk. About 2008, they went to a 2 disk system. One disk for EOR, one for WOR. Still doesn't have roads/parking lots that were there in 2006, however...
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10-02-2010, 11:53 am
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| GM World Class Certified Technician  Join Date: Nov 2006 Location: New Haven Ct Posts: 5,141
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Hi there, The correct navigational part number is 20906717 and it is a stand alone disc for UPDATES TO PROGRAMMING ONLY!!!!!! This will serve up to 2009 model years with navigation ONLY. Allthebest, c4c5 | ||||||||||||||||||||
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10-02-2010, 07:34 pm
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| Corvette Enthusiast Join Date: Aug 2007 Location: MD Posts: 32
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Many thanks for getting me the right disk number.
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10-07-2010, 07:19 pm
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| Corvette Enthusiast Join Date: Aug 2007 Location: MD Posts: 32
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This disk does not show in the GM catalogue. I have spoken with my local service manager and he cannot find this disk. He has spoken with GM service. Is this the correct number and does it assist in bringing the unit back to factory default? Have spoken with Advanced Automotive Electro Remanufacturing and they know of no disk with this number. Please advise Thanks | ||||||||||||||||||||
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