Originally Posted by blackbelt_010892
I have the stock unit bubble wrapped and boxed up waiting for a Buyer. It comes from a 2005 SSB N/A Coupe and was removed at 45,000 miles. I took it out a week after purchasing the car, never took the time to see if it had the built in NAV. Let me know how to tell and I will unbox the unit and check the model numbers.
Look at the row of buttons along the top, one toward the right will say "NAV" on it if it's a Nav unit.