These affordable car cooling accessories help beat the heat. (iStock) Spring and summer heat can turn your car into an oven fast. For some relief, invest in windshield shades to block the sun and cool yourself or your pet down with a USB fan . We even found a pair of breathable set covers that come in handy during those sweltering days. These picks start at just $11, so you can stay comfortable without overspending on your commute. Heat protection Cut down on heat buildup with these shades and