Toyota Prius Owner's Manual page 212

2-1. Driving procedures

When the "POWER" switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by any
authorized Toyota dealer or repairer, or another duly qualified and equipped
professional immediately.

If the "READY" indicator does not come on
If the "READY" indicator does not come on when you press the "POWER"
switch with the shift position in P and the brake pedal depressed, contact
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional immediately.

If the hybrid system is malfunctioning
P. 501

If the electronic key battery is depleted
P. 459

Operation of the "POWER" switch

When operating the "POWER" switch, one short, firm press is enough. If
the switch is pressed improperly, the hybrid system may not start or the
"POWER" switch mode may not change. It is not necessary to press and
hold the switch.

If attempting to restart the hybrid system immediately after turning the
"POWER" switch off, the hybrid system may not start in some cases.
After turning the "POWER" switch off, please wait a few seconds before
restarting the hybrid system.

Automatically P position selection function
P. 223
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