A cooling apparatus for cooling an electronic device 100 mounted on a vehicle in combination with an automotive climate control system 10 having a refrigeration cycle for compressing and expanding a first heating medium is disclosed. The cooling apparatus includes a second heating medium in liquid form, a tubular path 60 for circulating the second heating medium flowing therein, a heat absorber 30 for transmitting the heat from the electronic device 100 to the second heating medium, a heat dissipator 40 for transmitting the heat from the second heating medium to the evaporator 15, and a pump 50 for circulating the second heating medium. The heat dissipator 40 is coupled to the tank unit 15c of the evaporator 15.