
Highway overtaking requires downshifting. Below are precautions for driving on highways: 1. Overtaking: Exercise extreme caution when overtaking on highways. Always use turn signals before overtaking and pass from the overtaking lane. Avoid developing the bad habit of overtaking from the right side. After signaling, do not immediately overtake; also check the rear traffic conditions. When overtaking conditions permit, accelerate while maintaining a 1.5-meter lateral distance from the vehicle ahead. 2. Maintaining longitudinal distance: Generally, on dry roads with good braking conditions, the distance between vehicles (in meters) should not be less than the speed value (in km/h). For example, maintain at least 80m at 80km/h and 100m at 100km/h.

I've been driving for decades, and downshifting is indeed crucial when overtaking on the highway. It's mainly to increase the engine RPM and deliver more power, making acceleration faster and more stable. On the highway, for example, if you want to pass a slower car, the engine might struggle without downshifting. But once you drop to the right gear and the revs go up, the car surges forward like it's been given a boost. However, you need to be cautious—don't downshift too aggressively and risk over-revving the engine. Also, consider your car's condition; a well-maintained vehicle performs more smoothly. Always remember safety first: ensure there's enough space before overtaking, and don't rush blindly.

When overtaking, downshifting is a consideration, but it's just one part of the process—the key is ensuring safety. Downshifting can increase engine torque and RPM, allowing the car to unleash stronger power in a short time for quick overtaking. However, it's not necessary to do this every time, especially with automatic transmissions where simply pressing the accelerator harder may suffice. I also recommend checking the rearview mirror and using the turn signal to ensure no sudden oncoming traffic. Downshifting at excessively high speeds carries risks; gradual acceleration is often safer. Vehicle maintenance also affects performance, so regularly check engine oil and the transmission.

There's no need to manually downshift when overtaking with my automatic transmission car. Just press the accelerator harder, and the system will automatically adjust to increase power output, making overtaking effortless. Manual transmissions might be more efficient with downshifting, like dropping from 6th to 5th gear to make the engine work harder. However, all operations should be done carefully to avoid unstable deceleration due to haste. Overtaking isn't a race; ensure your car is functioning properly, and don't neglect regular transmission maintenance, which is crucial for engine health and driving safety.


