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So the OEM navigation head unit in my 2008 Vette has periodically been giving me a message saying that the disc inserted is not a nav DVD. This have become more and more frequent and now happens pretty much all the time. It is not the disc, as I have tried a different disc to see if it made any difference.
The stereo / XM still works fine.
As these and other nav untis are expensive to buy, I was hoping someone might know of a service that repairs these Denso units. Any suggestions would be helpful.
Also, would it be worth it to try a cleaning disc or is it a waste of money?