What to Check Before Driving on the Highway?
3 Answers
Before driving on the highway, it is necessary to check the fuel level and tire pressure. Here are the detailed explanations: Check the fuel level: When driving at high speeds, fuel consumption is higher than expected. Taking a car with a fuel consumption of 10 liters per 100 kilometers as an example, driving 100 kilometers at 50 km/h consumes 10 liters of fuel, while driving 100 kilometers on the highway at 100 km/h consumes about 16 liters. Fuel consumption increases significantly at high speeds, so it is essential to ensure sufficient fuel preparation for highway driving. Check the tire pressure: While driving, tires undergo compression and expansion, known as tire deformation. This phenomenon is particularly noticeable when the tire pressure is low and the speed is high. Under such conditions, the internal temperature of the tire rises abnormally, which can cause the rubber layer to separate from the cover layer or the outer tread rubber to break and scatter, leading to a tire blowout and potential accidents. Therefore, before driving at high speeds, the tire pressure should be slightly higher than usual.
Every time before I drive on the highway, I carefully check several key parts. The tire pressure must be moderate—I use a tire pressure gauge to ensure it's neither too high nor too low. I also check the tire tread wear and balance, as shaking at high speeds can be dangerous. I take a quick look at the engine oil and radiator water level using the dipstick, topping them up if necessary to prevent overheating and breakdowns. I test all the lights, including headlights, taillights, and turn signals, making sure they work properly—nighttime driving requires reliable lighting. The braking system is also tested by gently pressing the brake pedal in an open area to check responsiveness, as this is crucial for emergency stops. Is the spare tire properly inflated? I also prepare a warning triangle and a toolkit in case of minor accidents. Finally, I check the fuel gauge to ensure there's enough gas to reach the next gas station. Although these checks are simple, at highway speeds, missing even one could lead to trouble. I recommend spending ten minutes on these checks before setting off.
Before hitting the highway, I usually do a quick vehicle check. For tire pressure, I use the built-in air pump to top it up – not too hard or too soft. Pop the hood to check oil and coolant levels, topping up if needed. For lights, start the car at night to verify all front/rear lights work, including side markers. Test brakes with a few gentle stops in the parking lot to ensure proper pedal feel. Keep the spare tire and jack in the trunk, and don't forget the warning triangle. Check fuel gauge carefully – gas stations are sparse on highways. Set navigation with strong phone signal to avoid getting lost. Clear cabin clutter and bring water/snacks for long drives against fatigue. This rapid inspection routine makes trips much smoother.
