2012 Toyota Prius Owners Manual - Page 811

5-2. Steps to take in an emergency Follow the correction procedures. After taking the specified steps to correct the suspected problem, check that the warning message turns off. Warning message Details Indicates that all maintenance according to the driven distance on the maintenance schedule* should be performed soon. Comes on approximately 4500 miles (7200 km) after the maintenance data has been reset. Indicates that all maintenance is required to correspond to the driven distance on the maintenance schedule*. 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 If necessary, perform maintenance. (U.S.A. only) (U.S.A. only) Perform the necessary maintenance. Please reset the maintenance data after the maintenance is performed. (→P. 403) 5 When trouble arises *: Refer to the separate "Scheduled Maintenance Guide" or "Owner's Manual Supplement" for the maintenance interval applicable to your vehicle. 511