When the automatic transmission car is driving in the urban area, it will generally choose D gear, that is, the drive gear, which allows the vehicle to automatically adjust the gearshift timing of the gearbox according to the speed and load, saving the trouble of manual gear change and saving fuel consumption. However, if we encounter uphill sections, D gear may not be able to meet our needs, because the shift logic of D gear is based on stability and economy, and may upshift or downshift at an inappropriate time, resulting in insufficient vehicle power or high engine speed, affecting driving safety and comfort. What's more serious is that if the power of the D gear is not enough to overcome the resistance of the slope, the vehicle will slip, that is, the vehicle slides backwards while hanging in the forward gear, which is very dangerous and terrifying for the driver of the automatic transmission car.
So, what should I do if the automatic transmission car slips uphill in D gear? In fact, the solution to this problem is very simple, that is, to give oil in time, increase the output power of the engine, so that the vehicle has enough power to climb. However, there is a trick here, which is to apply the brakes first and then slam the gas pedal, which can prevent the vehicle from slipping in the gap between releasing the brakes and pressing the accelerator, and can also allow the transmission to downshift in time to increase torque. The specific steps are as follows:
When you find that the vehicle is underpowered when going uphill, or feel that the vehicle has a tendency to slide backwards, immediately press the brake with your right foot to stop the vehicle from moving forward or backward, and at the same time gently press the accelerator with your left foot to keep the engine at a certain speed, so that the gearbox can sense the driver's intention and prepare to downshift.
Wait for the transmission downshift to complete, this process generally does not take more than 1 second, can be judged by the gear display on the dashboard or the sound of the engine, if the gearbox does not downshift, you can use the left foot to slightly increase the throttle force, so that the gearbox feels a greater load, prompting it to downshift.
After the transmission downshift is complete, quickly press the throttle with your right foot to get the maximum power delivery from the car, while releasing the brakes with your left foot to get the car back forward so that you can climb uphill smoothly.
In the process of climbing, according to the change of slope and the speed of the vehicle, adjust the strength of the throttle in a timely manner, maintain the power balance of the vehicle, avoid the vehicle too fast or too slow, but also pay attention to the road conditions ahead, and make braking or steering actions in time to ensure driving safety.
Of course, in addition to this method, there are some other ways to avoid automatic transmission cars going uphill, such as:
Use manual mode or S gear, which allows the driver to control the timing of the gearbox shift and choose the right gear to climb, generally speaking, the torque of the low gear is large and suitable for climbing, and the torque of the high gear is small and suitable for flat roads. The operation method of manual mode or S gear is generally to have a button or a lever on the gear lever, and after pressing or toggling, you can enter the manual mode or S gear, and then push forward and backward through the gear lever or the paddles on the steering wheel to achieve upshift or downshift.
Use Hill Assist Assist, which is an intelligent feature of some automatic transmission cars, which can automatically maintain the effect of the brakes when the vehicle is parked on the ramp, so that the vehicle does not roll, and wait until the driver steps on the accelerator, and then automatically release the brakes to let the vehicle start. This saves the driver from pressing the brakes with his left foot and prevents the vehicle from rolling during the switch between braking and throttle. The method of opening the ramp assist function is generally to have a button on the dashboard, and when pressed, this function can be activated, of course, provided that the seat belt is fastened, which is a condition of the ramp assist function.
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Use the electronic handbrake, which is another smart feature of some automatic transmission cars, which can automatically pull the handbrake when the vehicle is parked, keep the vehicle in place, and wait until the driver steps on the accelerator, and then automatically lower the handbrake to let the vehicle start. This saves the driver from having to pull the handbrake and prevents the vehicle from slipping during the switch between the handbrake and the accelerator. The opening method of the electronic handbrake is generally to have a button next to the gear lever, and after pressing, this function can be activated, and again, the premise is to fasten the seat belt, which is a condition of the electronic handbrake.
In short, it is a very common problem for automatic transmission cars to roll uphill, but it is not impossible to solve it, as long as you master the right method, you can easily deal with it. Of course, the most important thing is to practice more and be familiar with the performance and characteristics of your vehicle, so that you can drive freely, safely and comfortably in various road conditions.