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under hood is where you DO jump start BUT
if for some reason you need to manually open the hatch with no power there is a small port to release the latch.

see the above link under Manually Opening Rear Hatch when 12v battery is dead

I still have not tried making the tool - guess I better add to dad's day projects
 

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That was the question asked in 2011

was there a wire going from the front terminals to the battery as well or did front terminals just start the car electronics and the main battery + dc to dc electronics charged the 12 volt battery after the car was running.
 
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