Question In extremely hot conditions, you may have to: Answers Increase your speed to cool the engine. Reduce your speed to prevent overheating. Drain the engine coolant. Follow other vehicles more closely than normal. Explanation Faster speeds create more heat in the engine and tires, so slow down to avoid dangerous overheating when the weather is very hot. Take a FREE Practice Test Now This questions appears in the following tests: Illinois HazMat , Massachusetts Double ,