Toyota prius Owner's Manual page 66

1-1. Hybrid system
Resetting the monthly fuel consumption/eco savings record

Press and hold the "TRIP" button while the monthly fuel consumption/eco
savings record is displayed.
A confirmation message will be displayed.
Press and hold the "TRIP" button to reset the data.
Press the "DISP" button to cancel the reset operation. The screen will return
to the previous display if no buttons are pressed for approximately 10 sec-
onds.
 Cruising range
Displays the estimated maximum distance that can be driven with the quan-
tity of fuel remaining.
This distance is computed based on your average fuel consumption.
As a result, the actual distance that can be driven may differ from that dis-
played.
 Odometer/trip meter/distance to empty
The odometer/trip meter/distance to empty will not be displayed while the
monthly fuel consumption record or the eco savings record is being dis-
played.
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