Do Automatic Transmission Cars Have Idle Speed When Reversing?

[VonParker]

Automatic transmission cars do have idle speed when reversing. The idle speed of a car refers to an operating state of the engine, where the engine runs in neutral. When reversing an automatic transmission car, you only need to control the brake pedal because, on flat roads, the automatic transmission provides sufficient power for the car without needing to press the accelerator pedal. Tips for reversing an automatic transmission car: First, find a suitable parking space, estimate the distance between the car and obstacles, and observe carefully before reversing. Automatic transmission cars are equipped with reversing cameras, which should be used along with the rearview mirror during reversing to avoid collisions. While reversing, adjust the car's body position promptly. The reversing speed should mainly rely on idle speed, though you can gently press the accelerator if necessary, but brake in time according to road conditions to slow down.

[VonAlyssa]

Over the years of driving, I've always used automatic transmission cars, and there is indeed idle speed when reversing. Normally, after shifting into the R position, even without pressing the accelerator, the engine continues to run at a lower RPM, and the car slowly rolls backward at a speed of about 2 to 5 kilometers per hour, depending on the slope of the ground. This makes parking much easier, as slight adjustments can be made without the need to press the accelerator. However, you need to be careful, especially in parking lots or on slopes, as the car can roll too quickly if you're not paying attention. Once, while reversing on a slope without pressing the brake, I almost hit a wall behind me, so now I make it a habit to press the brake first, observe the surroundings clearly, and then slowly release it to control the speed. Additionally, the idle speed keeps the engine running smoothly, reducing wear from frequent starts and stops, but remember to perform regular maintenance to prevent unexpected sliding due to unstable idle speed. In short, idle speed when reversing in an automatic transmission car is normal, just like when moving forward, making driving more convenient but requiring attention to safety.

[IrisRose]

As a tech enthusiast, I find the idle speed mechanism in automatic transmission cars during reversing quite interesting. Idle speed refers to the engine's rotation state when it's running without load. After shifting into reverse gear, the engine power is transmitted through the torque converter, and the vehicle will automatically move backward at low speed. This is similar to the idle drive in forward gear, where the speed depends on engine design and road conditions. In practical operations, such as reversing on flat ground, the car will move slowly, allowing short-distance backward movement without additional operations. However, sometimes the idle speed being too low or too high can affect safety. I recommend regularly checking the engine control unit and braking system to prevent unexpected acceleration or sliding. Maintaining a steady speed helps save fuel and protect transmission components.

[OLeo]

Automatic transmission cars definitely have idle speed when reversing. Anyone who has driven knows that once you shift into reverse, the engine keeps running and the car slowly slides backward at a low speed, but you still need to pay attention to the surroundings. The idle speed makes it easier to control the position when reversing, especially when making turns in tight spaces. Don't rely on it for quick movements—safety comes first. Develop the habit of stepping on the brake and checking the rearview mirror before moving.