How To Jump A Prius From The Trunk. Connect the second red positive cable to the positive battery terminal on the assisting vehicle. To jumpstart your prius when the dc battery has died, you must first open the trunk and locate your dc battery.
You can now go caving into your prius trunk in search of the holy grail: I am still using the original 12v battery in my 2004 prius (4+ years and 127,000 miles). There, you’ll find the jump start terminal.
If your battery is dead, the trunk/boot won't open.
You can jump start a prius with anything that has 12 volts. Is there a way to open the trunk from the inside (not an emergency latch). If you never fully discharge it, it will last a long time. You are not mechanically turning the engine, so you don't need much power.