VEHICLE

A vehicle includes: (a) drive wheels; (b) an electric motor serving as a power source for driving the vehicle; (c) a power transmission apparatus configured to transmit a power of the electric motor toward the drive wheels; (d) an electric-insulation-performance determining portion configured to determine an electric insulation performance of an oil supplied to the electric motor and a lubrication required portion of the power transmission apparatus; and (e) a notification portion configured to notify a driver of the vehicle about the electric insulation performance of the oil which is determined by the electric-insulation-performance determining portion.