i get a lot of negative terminal corrosion on my trep. I clean it off with baking soda and within a month or so it is completely cruded up again. i don't use any type of terminal grease/goop since i don't have any other cars with that type of problem. of course the trep has a top post battery though. today at the store the car would not start. nothing. no inside lights either. i loosened the cable and twisted the terminal but no good. i got a jump and when i got home and tried to restart it, nothing. dead again. i put in a new battery and the voltage reads 14V at the battery. is the corrosion a sign of something going on or what? the old battery was 4yrs old but was just a 60 month warranty. cheap brand.