Yes, BCg2 will work in a nuvi 500 too but without full functionality. I don't mean that it won't work in the 276c just not fully as you implied earlier by suggesting trying the old original BC, see this:

Quote Originally Posted by Neil View Post
.......... merely stating that it seems the BC g2 is not fully compatible with his unit. I did say also say this: 'But the 3rd party CCD Gold should still work ok.' Probably also setting is on declutter as you suggest.
Jeez! Is it 'pick on Neil day' today?