Blonde brunette redhead in desert

A blonde, brunette and redhead are in a desert. The brunette says, “I brought some
water so we don’t get dehydrated.” The redhead says, “I brought some suntan lotion so
we don’t get sunburned.” Then the blonde says I brought a car door.” The other girls
said, “Why did you bring that?” Then the blonde says, “So I can roll down thewindow if it gets hot