2011 Toyota Prius Owners Manual - Page 193

2-1. Driving procedures n If the hybrid system does not start The immobilizer system may not have been deactivated. (→P. 110) n 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 pressed, contact your Toyota dealer immediately. n When the "POWER" switch indicator flashes in amber The system may be malfunctioning. Have the vehicle inspected by your Toyota dealer immediately. n Auto power OFF function If the vehicle is left in ACCESSORY or ON mode (hybrid system is not operating) for more than an hour with the shift position in "P", the "POWER" switch will automatically turn OFF. However, this function cannot entirely prevent battery discharge. Do not leave the vehicle with the "POWER" switch in ACCESSORY or ON mode for long periods of time when the hybrid system is not operating. n Operation of the "POWER" switch l 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. l Even if the "POWER" switch is turned to off and then quickly re-pressed, the "POWER" switch mode may not change. After turning the "POWER" switch to off, wait for a short time before operating again. 2 When driving 167 PRIUS_U (OM47685U) DVD