2005 Toyota Prius Owners Manual - Page 142

-Selecting the push button start system mode (with smart function-on some models) 1) "ACC" (Green indicator is turned on) Accessories such as the radio operate. Pressing the "POWER" switch briefly without depressing the brake pedal in the "OFF" mode turns on this mode. 3) "OFF" (Indicator is turned off) The hybrid system is off. You may hear a motor sound in the engine compartment for a few seconds after the system is turned off and about 90 seconds have passed. The hybrid vehicle immobilizer system is automatically set. See "Hybrid vehicle immobilizer system" on page 21. 25p105 In the "ACC" mode, pressing the "POWER" switch briefly while depressing the brake pedal will start the hybrid system. If you leave your vehicle in the "ACC" mode for about an hour, the hybrid system is automatically turned off. Without depressing the brake pedal 2) "IG−ON" (Amber indicator is turned on) All accessories are operable. Pressing the "POWER" switch briefly without depressing the brake pedal in the "ACC" mode turns on this mode. In the "IG−ON" mode, pressing the "POWER" switch briefly while depressing the brake pedal will start the hybrid system. However, if "N" position is selected, the hybrid system will be turned in the "OFF" mode. Carrying a smart key allows you to operate the "POWER" switch without the key being inserted into the key slot. Each time you press the "POWER" switch briefly without the brake pedal depressed, the hybrid system mode changes in the order of "OFF", "ACC", "IG−ON" and then back to "OFF". The smart function can be set to become inoperative using the smart cancel switch. For details, see "Deactivating the smart function" on page 33. 132