Originally Posted by Renate Herod

mazda_nc_dude, I have a 2008 CX9 GT. I was trying to help DFurdas who also has the same. the problem was that after replacing the battery the clock was wrong - hours and minutes. When I went to clock set the only option, to move hour up and down didn't work... but it didn't matter bc minutes were wrong too. but when I reconnected the battery the clock sets to 1:00. So, after driving around for about a year with the time wrong, it is finally correct! (the dealer charged $180 to look at and determined I needed to replace the entire entertainment unit!