2012 Toyota RAV4 Owners Manual - Page 461

5-2. Steps to take in an emergency STEP 3 To change "POWER" switch modes: Within 10 seconds of the buzzer sounding, release the brake pedal and press the "POWER" switch. Modes can be changed each time the switch is pressed. (→P. 202) To start the EV system: Press the "POWER" switch within 10 seconds of the buzzer sounding, keeping the brake pedal depressed. In the event that the EV system still cannot be operated, contact your Toyota dealer.