Patent 7832512 was granted and assigned to Toyota on November, 2010 by the United States Patent and Trademark Office.
When at least one of a condition under which a parking brake is activated, a condition under which a shift lever is shifted to a parking range, a condition under which a shift to the neutral range is executed, and a condition under which a drive termination operation is executed is satisfied during an EV travel mode, a carrier shaft provided coaxially with a crankshaft is rotated by a motor generator, and a cumulative value of a travel distance counter obtained when an engine is stopped is reset.