Toyota Prius Owner's Manual page 252

2-2. Instrument cluster

Switching the EV indicator and Eco Driving Indicator Light
activated or deactivated
STEP 1
STEP 2
252
PRIUS_OM_OM47A19E_(EE)
Select "EV/ECO".
Press and hold the "DISP" button
to enter the setting mode.
Select "ON" or "OFF".
Press and hold the "DISP" button
to finish setting.