I am now surprised to be reading this since I purchased a 2014 Focus to tow with four wheels down. Everything I read indicated the Focus with automatic could be towed this way. What issues are created during a relearn after hooking the battery back up? Being a GM guy the only thing I noticed about the Focus was the shifting was different than my GM's. I wanted a Chevy Cruze however they could not be towed with four wheels on the ground. After looking at my owners manual again it states to turn the ignition off after confirming the transmission is ready when it was put in neutral. If the ignition is off I am not sure why it is necessary to unhook the negative battery terminal. I'll check with the local Ford dealer. My Focus only had 6 miles on it when I picked it up and it shifted different but fine, no problems. Actually I like the performance of the car for local driving. I am trying to decide which tow bar I want to purchase. I haven't decided that yet and the different braking systems available seem kind of strange and expensive.
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