Can someone help me with updating the Nav on my 2012 Tahoe? I have not been able to locate installation instructions online for 2012. Oddly enough there are several you tube videos detailing how to update the Nav in a 2016 Tahoe and some that address updating a 2007 Tahoe but nothing that I can find on a 2012 Tahoe.

 

Your local friendly ASE-certified mechanic can give a vehicle a pre-purchase inspection and drive, costing $50 to $125. I got one from mine on that 2011.

And I recommend such ASE-certified mechanic over dealerships for maintenance and repairs.