CBC_11_CarSearchFormHelper.js

({
	getCarType : function(component, helper) {
        
        /*
         * Below line of code uses inheritance to
         * call server side controller from
         * base component's helper method
         * */
        helper.callServer(component, "c.getCarTypes", 
                          function(response){
                              component.set("v.carTypes", response);
                          });
	},
})