Patent attributes
A hybrid vehicle includes a power generation apparatus including an engine and an electric motor, an electricity storage device configured to supply electricity to the electric motor or to be supplied with electricity from the electric motor, a mode switch configured to permit a driver to perform switching between a CD mode and a CS mode, and an electronic control unit. The electronic control unit is configured to control the power generation apparatus such that the engine is started up with a higher frequency when the driver switches the traveling mode from the CD mode to the CS mode while the state-of-charge is higher than the upper limit of the control center value, than when the driver switches the traveling mode from the CD mode to the CS while the state-of-charge is equal to or lower than the upper limit of the control center value.