I need a little info please. I recently purchased a 2005 Chevy Avalanche with the AVIC-N1 installed. This unit was installed when the vehicle was new by the Chevy dealer.
The previous owner of the vehicle told me that he didn't purchase the voice module because the dealer wanted $360.00 for it. The unit has no sound at all but the navigation works great. I have read all the manuals and searched around the internet for information on this unit and it's voice module. I cannot find anything about a voice module which leads me to believe this Chevy dealer scammed the previous owner. This dea
