Hey Mark, firstly thanks for the reply. Yes, I've noticed the satnav drive in the boot, I've removed all the boot liners, so now it's just bare metal exactly for that reason, to make sure everything is completely dry. My battery should be fine, it's an Optima Red Top RTC 4.2 racing battery from my RX-8 that I've taken off the road for winter. I'll try the battery reset now, and I'll get the seal sorted as well as soon as it stops raining.