Toyota 2013 Prius Owner's Manual page 23

How to operate the power (ignition) switch
Starting the hybrid system
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Check that the charging cable is disconnected.
STEP 1
STEP 2 Check that the parking brake is set.
Firmly depress the brake pedal.
STEP 3
Check that the "POWER" switch indicator turns green. If the indica-
tor does not turn green, the hybrid system cannot be started.
When the shift position is N, the hybrid system cannot start. Shift the
shift position to P when starting the hybrid system.
STEP 4
STEP 5 Check that the "READY" indicator is on.
If the "READY" indicator changes from a flashing light to a solid light
and the buzzer sounds, the hybrid system is starting normally.
The vehicle will not move when the "READY" indicator is off.
The vehicle can move when the "READY" indicator is on even if the
engine is stopped. (The gasoline engine starts or stops automatically
in accordance with the state of the vehicle.)
PRIUS PHV_QG_OM47788U_(U)
3. Basic operation
Press the "POWER" switch.
The hybrid system can be started
from any "POWER" switch mode.
Continue depressing the brake
pedal until the hybrid system is
completely started.
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