2012 Toyota Prius Owners Manual - Page 505

2-2. Instrument cluster Hybrid System Indicator 2 When driving Charge area Shows energy regeneration* status. Regenerated energy will be used to charge the hybrid battery (traction battery). *: When used in this manual, "regeneration" refers to the conversion of energy created by the movement of the vehicle into electrical energy. Hybrid Eco area Shows that gasoline engine power is not being used very often. The gasoline engine will automatically stop and restart under various conditions. Eco area Shows that the vehicle is being driven in an Eco-friendly manner. Power area Shows that the driving power is more than the upper limit of Eco driving. (during full power driving etc.) Keeping the indicator within Eco area can help Eco-friendly driving. 195