there is a recall on the negative battery cable,call the dealer and give them your vin# and they can see if it has ever been replaced on the recall,this could be part of the problem
also you need a new battery, 11 or 12 volts is no good, it should be 14.2 volts
good luck
also you need a new battery, 11 or 12 volts is no good, it should be 14.2 volts
good luck