did you check down the watery end of the boat ramp?
Maybe someone pushed it in because they couldn't get it started with their screwdriver.
lol
i didnt find any loose wires.
i did discover that the screwdriver probabley turns more than the key would.if i turned the screwdriver as far as it will go i get the flat battery condition.so the contacts inside are past where they should be to supply power.i hope that is all it was