NORTHVILLE , Mich . , April 29 / PRNewswire-FirstCall / -- Amerigon Incorporated ( Nasdaq : ARGN ) , a leader in developing and marketing products based on advanced thermoelectric ( TE ) technologies , today announced that its proprietary Climate Control Seat ( R ) ( CCS ( R ) ) system will continue to be offered as an option for the front and rear seats in the redesigned 2010 Hyundai Equus luxury sedan . The Equus , Hyundai 's flagship luxury model sold in Korea , has offered the heating and cooling comfort of CCS as an option since the 2004 model year and was the first luxury sedan in the world to offer the seat system in both front and rear seats . The sedan will be available in showrooms by the end of summer .