How to Descend a Slope in a Car Without L or M Gear?
2 Answers
Normally, cars are equipped with an M gear, so when descending a long slope, you can shift into M gear and rely on the engine to control the speed. If it's not a continuous slope spanning dozens of kilometers, simply staying in D gear and using the brakes to control the speed is perfectly fine. Whether in L gear, D gear, or M gear, you should always use the brakes appropriately to control the speed when descending a slope to prevent excessive speed. When descending a long slope, avoid keeping the brakes pressed for extended periods, as this can cause the brake pads to overheat rapidly, reducing braking effectiveness. Additional Information: 1. Never shift into N gear when descending a slope to save fuel—N gear does not save fuel on downhill roads. On steep slopes, the downward force on the car is significant, and the friction of the tires and the engine's reverse force are insufficient to counteract this downward force. 2. On long downhill stretches, brake pad heat fade will occur more quickly. To reduce the frequency of braking, ease off the accelerator and make use of the inertia of downhill coasting in gear to maintain a safe speed. Avoid alternating between pressing the accelerator and the brakes or keeping the brakes pressed for long durations.
I've driven long-haul trucks for twenty years, and going downhill without L or M gear was common. The key is brake management: I use the pumping technique—lightly pressing and releasing repeatedly, not holding it down, letting the engine naturally slow down to assist control. On long descents, like in mountainous or high-altitude areas, I stop at a safe spot every few kilometers for a few minutes to let the brakes cool and avoid overheating failure. This habit has saved me many times, especially on steep sections; safety first—keeping a low speed makes things much easier. I recommend regularly checking brake pad wear; replacing them boosts confidence. Planning routes to avoid extreme slopes is also wise. Remember, cooling breaks are essential—don’t worry about wasting time, as life safety always comes first.