Kinh nghiệm

Cách lên/xuống dốc, đề pa ngang dốc, đỗ xe đường dốc

The following details on how to drive up/downhill, brake uphill, and park on ramps with manual and automatic transmission vehicles will help you drive safely downhill.

How to go up/downhill on a manual transmission car?


How to go uphill

How to drive a manual transmission car Going uphill is a bit more complicated than an automatic car, but it can be done easily if the driver knows the technique.

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Step 1: Accelerate evenly when approaching the bottom of the slope

When approaching the foot of the slope, the vehicle should accelerate slowly but also pay attention to maintain a safe speed. Increasing the speed evenly when approaching the slope will create momentum (inertia) to help avoid the vehicle climbing weakly. Note that you should only accelerate lightly and evenly, do not emphasize the accelerator pedal, especially when driving on slippery roads, driving in the rain

Step 2: Depress the clutch, gradually shift to low gear

When approaching the bottom of the slope, gently release the accelerator, pedal clutch and let the car turn to low gears. When releasing the throttle to shift gears, engine rpm will decrease. Therefore, it is necessary to pay attention to the rotation of the engine, the speed of the vehicle is consistent with the gear you intend to change. Usually in 3rd gear, the engine rpm will be from 3,000 – 4,000 rpm or a speed of 45 – 60 km/h. Number 2, the engine rpm will be from 2,000 – 3,000 rpm or a speed of 30 – 45 km/h. In 1st gear, the speed will be from 15-25 km/h.

When approaching the bottom of the slope, the car should turn to low gears in turn

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Step 3: Release clutch, gas cushion

After shifting to low gear, gently release the clutch pedal and coordinate the accelerator pedal. Engine rpm will decrease when the car is in low gear. Therefore, stronger accelerator pedal is needed to balance engine rpm with vehicle speed.

Step 4: Shift to 1st or 2nd gear when going uphill

Depending on the steepness of the slope, you will choose to climb by number 1 or number 2. With a gentle slope, you can climb by number 3. The higher the slope, the lower the number, and vice versa. When starting to pedal uphill with a manual transmission, release the accelerator, step on the clutch, and shift into the appropriate gear. Then slowly release the clutch pedal in conjunction with the accelerator pedal to move the car uphill.

*Step 5: If the car is out of breath, change to a lower gear

If you’re going uphill, see the car is squeaking growl a lot, The car is out of gas… then this is a sign that the wrong error was chosen when going uphill, resulting in insufficient traction. To avoid squeezing the car, causing the car to overheat, car stalled in the middle of the road, depress the clutch and then shift to a lower gear. Then release the clutch and strongly cushion the accelerator.

How to apply horizontal slope

There are many ways to stop the slope with a manual transmission car:

Use the handbrake

This way of stopping on a slope takes advantage of the braking force of the handbrake so that the driver does not have to step on the foot brake. When you want to slow down on a slope, follow the steps to slow down the car as usual: step on the clutch, into gear, slowly release the clutch and throttle. However, while releasing the clutch, the steering wheel and gear lever vibrate slightly (a sign that the clutch has touched), then release the handbrake. Because the car is already equipped with a gas cushion, it will not drop even if you do not press the brake pedal. This is a simple sloping technique suitable for beginners.

When finding the clutch point, release the handbrake, cushion the accelerator to let the car go uphill

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Control the brake and throttle with the right nose and heel

This technique of stepping on a slope is usually only applied to experienced people, who can simultaneously use the right toe to step on the brake and the right heel to step on the gas. Instructions to apply horizontal slope in this way are as follows.

First step on the clutch, into the gear to start the car as usual. Then step on the brake to release the handbrake. Next, keep your right foot on the brake pedal, but slowly turn your right heel to the gas pedal. While slowly releasing the clutch, the right heel should start to cushion the accelerator. When the car rolls forward, release the right foot from the brake pedal, focus on stepping on the gas to make the car climb uphill.

Release the brake when reaching the clutch point

How to step up the slope of this manual transmission car is a bit difficult, requiring a lot of experience in recognizing the clutch point. With this method, first step on the clutch, enter the gear to start the car as usual. Then the left foot still presses the clutch, the right foot steps on the brake to release the handbrake. Next, the left foot slowly releases the clutch to detect the taper point. When you see the steering wheel and gear lever vibrate, the right foot should release the brake and switch to the accelerator. At this time, the left foot slowly releases the clutch pedal at the same time the right foot also presses the accelerator deeper to move the car forward.

How to go downhill

The way downhill for a manual car is not too difficult. When the car nears the top of the slope, start to slow down slowly to prepare to go downhill. At the same time, let the car gradually shift to low gears. To know the right gear to go downhill, the driver just needs to apply the principle of “getting down to that gear”. However, you should also be flexible in choosing the number according to each situation. The smaller the number, the greater the braking, the slower the speed.

Driving a manual transmission car downhill applies the principle of “getting down into gear”

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How to go up / down the slope of an automatic transmission car


How to go uphill

How to drive an automatic car Going uphill is simpler than a manual transmission car. Because the car has automatically calculated the appropriate gear shift, the driver does not need to intervene. When going uphill, the gear lever just needs to be in D mode (Drive – forward gear) as usual.

When approaching the bottom of the slope, start to accelerate slowly to build early momentum. When climbing uphill, the accelerator pedal force will depend on the steepness of the slope. Do not step on the accelerator too hard, it can cause the car to jerk and accelerate dangerously. Do not step on the accelerator too weakly, making the car not strong enough to climb uphill.

When going uphill with an automatic transmission car, just put it in D mode as usual

In the case of steep slopes and heavy trucks, the driver who wants to have better control of the vehicle when climbing uphill can switch the vehicle to manual mode. First reduce the accelerator, then shift the car to low gear through Glitter shifting on the steering wheel (-) or gear lever (switch to M-, L/L1 or D3/D2/D1). The steeper the slope, the smaller the number to create greater traction.

How to apply horizontal slope

The way to stop the slope in automatic transmission cars is simpler than manual transmission cars. First step on the brake, start the car and release the handbrake. Next, shift the gear to D, release the brake pedal and switch to the gas pedal to slowly advance the car. The driver does not need to worry too much when releasing the brake pedal. Because automatic transmission cars will usually brake themselves in 2-3 seconds, they rarely go downhill quickly and are not easy to stall. Just release the brake and immediately step on the accelerator and the car will move forward.

How to go downhill

The technique of driving downhill with an automatic is a bit more complicated than going uphill. Because if you go uphill, you can let the car automatically change gears, then when going downhill, you should use the manual transmission mode if you encounter a steep slope. This is the advice of most drivers with a lot of experience driving downhill, mountain driving experience… Because when using manual mode, the driver will be more active in controlling the vehicle speed, limiting the use of brakes a lot.

When going downhill with an automatic transmission car, you should use the manual transmission mode to brake the car with the engine

See details:

Depending on the steepness of the slope, select the appropriate manual mode. The steeper the slope, the lower the number. Choosing the right gear is that when going downhill, the driver does not need to use the brakes much. Because at this time the car has been braked by the engine. In case you have switched to a low gear, but the vehicle speed is still high, the brake lever should be changed to a lower gear. For steep slopes, the lowest number should be D1 or the low number L.

How to park a car on a ramp


When parking on a slope, be careful not to park on bends, narrow roads, blind spots… Try to choose parking places as far away from the roadway as possible.

Parking uphill with sidewalk: If the slope has a sidewalk, first place the vehicle about 20-30 cm away from the curb. Then turn the steering wheel to the left and then gently reverse the car so that the front wheel is pressed on the roadbed and do not need to return the steering wheel. Note that parking on a ramp in this way does not need to be completely driven because it is easy to damage the vehicle.

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Parking uphill without sidewalks: If the slope does not have a sidewalk, first bring the car to a parking position parallel to the edge of the road. Then turn all the way to the right to tire front facing out. This is in case if the vehicle drifts, the front wheel will also roll into the curb.

Parking downhill with/without sidewalk: When parking downhill, turn the steering wheel all the way to the right so that the front tire faces the road or park so that the wheel is pressed against the high ledge.

After parking with automatic transmission, apply the handbrake, return to P and turn off the engine. With car gearbox then go to 1st gear and combine the handbrake. Before leaving, don’t forget to find a stone, brick, wooden stick… to insert into the wheel.

When parking on a slope, look for objects to insert into the wheels

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Many people wonder if parking on a slope has any effect. According to some experienced people, if you park your car occasionally, it won’t affect anything. And if you park your car on a steep slope often, it will have a certain effect on suspension system, brake system and tires. Because when parking on a slope, the weight distribution of the vehicle will be uneven, the lower part is under more pressure.

Experience driving up/down steep slopes


Only downhill with low gear

When going downhill, the vehicle is subject to a great inertia force, so the speed will increase. Hence only downhill by low gear. This helps the vehicle to be braked by the engine. Thanks to that, the driver can easily control the vehicle speed, without using the brake much. Never change gears to N when going downhill. Because the car will fall into a free state, not being braked by the engine, it is very difficult to control.

Do not apply brake

Absolutely do not apply the brakes for long distances when going downhill. Because the vehicle is going downhill, the large inertia force will put the brake system under high pressure. If the brake is applied continuously, the brake will be hot, brake pads and the brake disc is worn, burned, easily leading to a bad brake condition The car lost its brakes. Therefore, instead of applying the brakes to slow down the car, shift the car to a low gear to take advantage of the braking force from the engine. If you need to step on the brake, apply the brake firmly.

Absolutely do not apply the brake all the way downhill

Keep a safe distance

Whether going uphill or downhill, you need to keep a safe distance from the vehicle in front. According to the experience of driving uphill and downhill of old drivers, it is advisable to keep a distance from the vehicle in front from 4 to 10 seconds. If the slope is steep, the road is slippery, you should keep a distance of at least 10 seconds from the car in front. When climbing a slope, absolutely do not follow the rear of the vehicle in front, especially large vehicles such as passenger cars, trucks, tractors, containers… Because when climbing slopes, it will take more time to handle unexpected situations. tailgating is very dangerous if the car in front has an accident.

Do not overtake the vehicle when climbing uphill

Never overtake a vehicle when climbing a hill except in an emergency. Because it would be very dangerous. In Traffic laws It also stipulates that it is not allowed to pass vehicles when at the top of a slope, locations with limited visibility, unsafe roads to pass…

Unnecessary devices should be turned off

In the case of heavy trucks, climbing steep slopes, it is necessary to put all the “power” of the engine to climb the slope to avoid the case of the vehicle missing the gas and losing momentum midway. Therefore, it is recommended to temporarily turn off unnecessary electrical equipment on the vehicle such as car air conditioner, car screenspeakers… to reduce the load on the motor, avoid overloading the motor, the car is hot.

If you need to put all the “power” of the engine to climb the slope, you should turn off unnecessary equipment

Give way to vehicles going uphill

According to the provisions of the Road Traffic Law, vehicles going downhill must give way to vehicles going uphill. Because the car uphill needs more momentum, work harder. If the car has to stop and then reverse the slope, the pressure will be even greater due to the loss of momentum. Improper handling can cause the vehicle to drop downhill. While the car is going downhill, it is only necessary to control the speed well with the gearbox and brake. Therefore, according to the principle, the vehicle going downhill must give way to the vehicle going uphill.

Khai Nguyen

Nguồn: https://bonbanh365.com
Danh mục: Kinh nghiệm

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