Which gear should be used for automatic transmission cars when going down a long slope?

[AriannaLee]

Automatic transmission cars should use the L (Low) gear when going down a long slope, using the gear to control the speed and avoid prolonged braking, which can cause unnecessary wear on the brake pads. The gears of an automatic transmission are: P (Park) for parking, R (Reverse) for reversing, N (Neutral) for neutral, D (Drive) for forward driving, L (Low) for low speed, S (Sport) for sport mode, and OD (Overdrive) for overdrive. Precautions for shifting gears in an automatic transmission car: 1. Do not press the accelerator pedal when shifting gears; 2. Do not immediately press the accelerator pedal hard after shifting into gear; 3. The vehicle can only be started in P or N gear; 4. The shift lever must be depressed with the brake pedal when removing it from P gear; 5. Do not shift into N gear while driving to coast; 6. Do not push into P gear while the vehicle is moving; 7. When changing directions, switching between D and R gears should be done only after the vehicle has come to a complete stop; 8. Placing the gear in N while driving prevents the oil pump from supplying oil normally for lubrication, which can increase the temperature of internal transmission components and cause damage.

[Cindy]

When driving an automatic transmission car downhill, I always prefer to use lower gears, such as L or 2, as this allows the engine to assist in braking and prevents overheating caused by relying solely on the brakes. Once, on a long downhill stretch in the mountains, my friend's brake pads were almost completely worn out because he kept pressing the brakes. Since then, I've been shifting to lower gears to let the engine control the speed, only lightly tapping the brakes when necessary. This makes the drive smoother, safer, and more worry-free. Safety is key when driving on long descents, and engine braking helps prevent accidents while also reducing maintenance costs. Especially on steep slopes, developing the habit of shifting gears in advance can save a lot of trouble.

[OMicah]

If you let the engine run in a low gear while going downhill, it creates resistance to help you slow down, which is very useful for automatic transmission cars. Don't rely solely on the brakes, otherwise the temperature can get too high and cause them to fail. I think using the L gear or manual mode is the most convenient way to easily control your speed. During continuous downhill driving, this method not only protects the braking system but also saves some fuel, as the engine assists in deceleration. Try it out while driving; with more experience, you'll find it practical and reliable, reducing risks during your journey.

[LeMaya]

When driving an automatic transmission car down a long slope, it's best to directly shift to a low gear like 1st or 2nd. This utilizes engine braking to control speed, reducing the need for constant brake application. This simple technique prevents brake overheating and prioritizes safety. I've taught this method to new drivers - it's easy to learn and suitable for various road conditions. Remember to shift gears in advance and only proceed when the speed stabilizes.