2012 Toyota Prius Owners Manual - Page 755

5-2. Steps to take in an emergency Warning message Details Indicates that all maintenance is required to correspond to the driven distance on the maintenance schedule*1 Comes on approximately 5000 miles (8000 km) after the maintenance data has been reset (The indicator will not work properly unless the maintenance data has been reset) Correction procedure (U.S.A. only) Perform the necessary maintenance. Please reset the maintenance data after the maintenance is performed.(→P. 349) Indicates that the hybrid system has overheated A buzzer also sounds. Stop and check. (→P. 480) Indicates that the hybrid battery (traction battery) is low A buzzer also sounds. (Flashes) When stopping the vehicle for a long period of time, shift the shift lever to P. The hybrid battery (traction battery) cannot be charged with the shift position in N. 446