
Locking the steering wheel means turning it one and a half turns, so there is no difference. Specific explanations are as follows: Locking the steering wheel to the right means turning it one and a half turns to the right, and locking it to the left means turning it one and a half turns to the left. Therefore, after locking the wheel to the right, turning it back one and a half turns will return it to the center position, and the same applies to locking it to the left. If you turn the wheel half a turn to the right, turning it back half a turn in the opposite direction will return it to the center position. Hazards of locking the steering wheel: 1. Shortens the lifespan of the power steering pump: When turning the vehicle, locking the steering wheel increases the pressure on the power steering pump several times or even more, and continuously locking the steering wheel will further shorten the pump's lifespan. Therefore, you should not continuously lock the steering wheel. 2. Damages the clutch: Locking the steering wheel directs power to the front wheels. In this state, the vehicle requires a significant amount of power to move, and when the steering wheel is locked, the vehicle is in the starting phase. At this time, the clutch cannot fully engage, which can cause damage to the clutch. 3. Damages the power steering structure: If the steering wheel is locked for more than 15 seconds, the power steering pump is forced to operate continuously, raising the temperature of the hydraulic fluid and thereby damaging the power steering structure. 4. Causes tire misalignment or wear: Starting the vehicle with the steering wheel locked and pressing the accelerator can cause tire misalignment or wear. Additionally, locking the steering wheel at high speeds while driving increases friction between the tires and the ground, leading to tire wear.

I've been driving for decades, and turning the steering wheel one and a half times is roughly around 540 degrees, which is quite common during regular turns, like when you change lanes on the highway or navigate a small curve. On the other hand, 'locking' the steering wheel means turning it to the maximum angle where it can't move further, usually required for sharp turns or making a U-turn in tight spaces, such as in narrow alleyways. The key difference lies in the range: one and a half turns allows for easy adjustments, whereas locking is the extreme position, which, if forced, can cause additional wear on the steering system and potentially damage parts over time. Additionally, in rainy or snowy conditions, locking the steering wheel can easily lead to loss of control and skidding. I've seen many beginners in parking lots forcefully lock the steering wheel and end up scraping other cars, so it's important to use it cautiously. For everyday driving, I recommend practicing the feel more, understanding the angle at which your car can turn smoothly, and avoiding forcefully locking the wheel.

I just got my driver's license recently. During driving lessons, my instructor repeatedly emphasized the difference between 'one and a half turns' and 'full lock'. 'One and a half turns' refers to the standard 540-degree steering wheel rotation, suitable for most road conditions like turning on city streets. 'Full lock' means turning the wheel completely to its limit, used in extreme situations like U-turns in tight spaces. The key difference lies in operational flexibility: with 'one and a half turns', you can always adjust by turning back, whereas 'full lock' immobilizes the wheel until reversed, which can cause nervous mistakes. Different vehicles have varying lock angles - sedans might require two full turns to reach full lock, while SUVs may achieve it in just one and a half turns. From a safety perspective, full lock increases risks on slippery roads; I once experienced the rear end nearly sliding out during a rainy-day full-lock turn. In conclusion, beginners should practice with 'one and a half turns' to build good habits, reserving full lock for absolute necessities to minimize mechanical stress.

As someone who frequently takes long trips, here's my insight: The difference between turning the steering wheel one and a half turns and turning it to full lock is quite simple. One and a half turns is the standard angle for daily driving, sufficient for 90% of turns; full lock means turning the wheel until it stops and can't move further, used for extremely tight turns or parking. The key difference in actual control is: one and a half turns allow for fine adjustments, while full lock fixes the angle rigidly and can easily lead to instability. Especially on rugged mountain roads or when fully loaded, full lock increases the load on the power steering pump. Remember to adjust based on your vehicle type: small cars may not reach full lock with one and a half turns, while larger vehicles can easily do so. Safety first—don't overuse full lock.


