Toyota PRIUS ALPHA 2012 Quick Reference Manual page 559

5-2. Steps to take in an emergency
STEP 3
Connect the jumper cables according to the following procedure:
Connect a positive jumper cable clamp to the exclusive jump
starting terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
positive (+) battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery termi-
nal on the second vehicle.
Connect the clamp at the other end of the negative cable to a
solid, stationary, unpainted metallic point away from the exclu-
sive jump starting terminal and any moving parts, as shown in
the illustration.
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