2012 Toyota Prius Owners Manual - Page 500

2-2. Instrument cluster "ECO Savings" If the price of gasoline is input, the cost of the consumed fuel according to the driven distance is displayed. If the fuel consumption comparison is set, the difference between the input fuel consumption and your vehicle's actual fuel consumption is expressed as an amount of money that was possibly saved. (→P. 193) "ECO Savings Record"* Displays eco savings record. (→P. 194) "Past Record"* Displays the best 3 fuel consumption records and the current fuel consumption ranking. Fuel consumption can also be displayed by the month. (→P. 40) "Settings & Screen Off" Operations such as changing each screen's setting and the date/time can be performed. (→P. 196) *: Settings are set to off (initialized settings) at the time of shipping. (→P. 199)