I really like the GM Factory Nav system, looks cool and works great. I had a Pioneer AVIC-1 in my other Truck and find that it was faster at updating and I did not have to leave the DVD in all the time.

My question is: Will it shorten the life of the DVD player if I leave the NAV DVD in all the time? I think the DVD spins all the time but I'm not sure. Anyone Know??

MC