Share Share on Facebook Share on Twitter Pinterest LinkedIn EV, HV Mode in the Toyota Prius Plug In? The Toyota Prius Plug-In Hybrid lets you choose between EV mode, Hybrid (HV) mode, or Auto. Here’s a quick breakdown of what each mode does and when to use it. Electric CarsElectric VehiclesEVev driving tipsev vs hybridHybrid Car ExplainedHybridsModePlugPlug-in HybridsPlug-in Hybrids CarspriusPrius drive modesprius ev modePrius Hybrid modePrius shortPrius tipsToyotaToyota Canadatoyota hybrid systemtoyota phevtoyota prius plug in