Yep, I know what ya mean. I get that message when I put the phone in my Klipsch dock but it eventually went away.
With the USB charger I left the message on for the next 30 minutes until the phone went dead. Then I stopped the bike, started it again, and got nothing from the dead phone.
Originally Posted by lightfighter
my 3gs used to give me that message when i put it in the blueray player dock... pre 3gs equipment. but it stopped notifying me after i ignored it.