2012 Toyota Prius Owners Manual - Page 818

5-2. Steps to take in an emergency Interior buzzer Exterior buzzer Warning message Details An open door other than the driver's door is closed while the electronic key is outside the detection range and the "POWER" switch is in ACCESSORY or ON mode with the shift position in P. The driver's door has been opened with the shift position in a position other than P and without first turning the "POWER" switch is OFF. Correction procedure Once 3 times (Flashes) Turn the "POWER" switch to OFF or confirm the location of the electronic key. Continuous ⎯ (Flashes) Shift the shift position to P. 518