Toyota 2012 Prius C Owner's Manual page 494

5-2. Steps to take in an emergency
STEP 3
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain that level for approximately 5
minutes to recharge the 12-volt battery of your vehicle.
STEP 4
Vehicles with a smart key system only: Open and close any
of the doors of your vehicle with the "POWER" switch off.
STEP 5
Vehicles without a smart key system
Maintain the engine speed of the second vehicle and start
the hybrid system of your vehicle by turning the engine
switch to the "ON" position.
Vehicles with a smart key system
Maintain the engine speed of the second vehicle and start
the hybrid system of your vehicle by turning the "POWER"
switch to ON mode.
STEP 6
Make sure the "READY" indicator comes on. If the indicator
does not come on, contact your Toyota dealer.
STEP 7
Once the hybrid system has started, remove the jumper
cables in the exact reverse order from which they were con-
nected.
Once the hybrid system starts, have the vehicle inspected at your
Toyota dealer as soon as possible.
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