basic question... but I have been trialling a PDA with TOM TOM and bluetooth GPS module, but when I have left the PDA in the cubby hole, the battery on the PDA goes flat very quickly in a couple of occasions... I think it is due to the CD player generating a lot of heat which goes directly into this cubby hole and must drain the battery... either that of the combination of hot CD'd and then cold environment and the cyclic hot cold condition... or it could be a duff battery, but outside of the car it holds charge for weeks...so i doubt it...
ANYWAY... any known concern with fitting a tom tom etc..and "overheating" or not functionning correctly due to CD unit heat in the cubby hole?
Cheers !