Toyota PRUS V 2020 Owner's Manual page 418

416
7-2. Steps to take in an emergency
Connect the jumper cables according to the following procedure:
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Connect a positive jumper cable clamp to the exclusive jump
1
starting terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
2
positive (+) battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery termi-
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nal on the second vehicle.
Connect the clamp at the other end of the negative cable to a
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solid, stationary, unpainted metallic point away from the exclusive
jump starting terminal and any moving parts, as shown in the
illustration.