Toyota 2012 Prius Owner's Manual page 84

Navigation system
STEP 1
STEP 2
PRIUS PHV_OM_OM47818U_(U)
1-1. Plug-in hybrid system
Press "INFO APPS" or "INFO".
Touch "Fuel Consumption" on
the "Information" screen.
If the "Consumption" screen is
displayed, touch "Energy".
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