2012 Toyota Prius Owners Manual - Page 764

5-2. Steps to take in an emergency Interior buzzer Exterior buzzer Warning message Details Correction procedure Once ⎯ The electronic key has a low battery. Replace the electronic key battery. (→P. 397) Once ⎯ (Flashes) The driver's door was opened and closed with the "POWER" switch turned off and then the "POWER" switch was put in ACCESSORY mode twice without the hybrid system being started. During a hybrid system starting procedure in the event that the electronic key was not functioning properly (→P. 473), the "POWER" switch was touched with the electronic key. Press the "POWER" switch while depressing the brake pedal. 5 When trouble arises Press the "POWER" switch within 10 seconds of the buzzer sounding. 455