Make sure coolant hoses are in good condition. A broken hose while driving can lead to engine failure and even fire. Watch for Bleeding Tar. Tar in the road pavement frequently rises to the surface in very hot weather. Go Slow Enough to Prevent Overheating.
High speeds create more heat for tires and the engine.
In desert conditions the heat may build up to the point where it is dangerous. The heat will increase chances of tire failure or even fire, and engine failure. Test Your Knowledge You should use low beams whenever you can. You should let air out of hot tires so the pressure goes back to normal. You can safely remove the radiator cap as long as the engine isn't overheated.