Toyota PRIUS Manual page 100

1-2. Charging
CAUTION
 Warnings for electrical faults
Make sure to observe the following precautions when charging the vehicle.
Failure to use a power source that fulfills the requirements, or failure to
observe regulations while charging could lead to an accident, possibly
resulting in death or serious injury.
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PRIUS PHV_OM_OM47831E_(EE)