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Hi, I'm Craig and am the proud owner of a 2nd generation prius. I'm new to the forum, and am in a bit of a pickle. I have been trying to update my maps via downloading from the internet. In the process of researching the net, I came across the secret service menu and unfortunately changed the loading program for the nav system. I can't get back to the service menu, as the nav portion is not communicating with the computer. Does anybody know of a way of getting to the service menu without going through the volume screen? Any assistance would be greatly appreciated. I have tried disconnecting the DVD unit, as well as the 12v battery. I have been able to get to the diagnostic menu, and clear codes and memory. Lastly, I went to the dealership, and they have never seen this before, as well as wanting $125 diagnostic fee to start. Thanks in advance,
 
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