What is the function of a car's headrest?

[ONathan]

The headrest of a car serves to protect the human head. The methods for using a car's headrest are: 1. Adjust the angle between your body and the seat correctly to keep your back as upright as possible; 2. The distance between the back of your head and the headrest should not exceed 10 centimeters; 3. Adjust the headrest range according to specific circumstances; 4. Correctly adjust the headrest height to ensure it is fixed and does not wobble; 5. Use a fixed headrest; 6. Install headrests on the rear seats of the car as well; 7. Female drivers should lean their bodies slightly forward. Precautions for using a headrest include: 1. Choose a high-quality headrest; 2. Adjust the height and angle of the headrest; 3. Maintain correct sitting posture.

[MacMelanie]

As a driver who frequently takes long trips, I find the headrest in sedans to be incredibly important. During regular driving, it provides a support point for the head, preventing neck strain—especially during traffic jams or highway driving, where it offers extra comfort. But its most crucial role is safety: in the event of a rear-end collision, the head can jerk backward violently. Without a headrest, the neck is prone to severe injuries, known as whiplash. I’ve read accident reports stating that headrests can cushion the impact and reduce the risk of paralysis. Nowadays, headrests are standard in new cars due to regulatory requirements, and they must be adjusted to align with the back of the head—not too low or too high. From personal experience, I recommend checking the headrest regularly to ensure it’s not loose or damaged, as it might fail when needed most. Some premium models even feature headrests with built-in speakers or heating for added convenience, but their core function remains life protection. In short, don’t underestimate this small accessory—it can be a lifesaver in critical moments.

[DelElla]

Let me talk about the role of headrests from a safety perspective. The longer I drive, the more I care about this. The core function of a car headrest is to prevent neck injuries in rear-end collisions. When a vehicle behind hits you, your head will be violently thrown backward. The headrest helps limit this motion, preventing spinal injuries. I recall data showing that whiplash injuries are quite common in global traffic accidents, and headrests can significantly reduce this risk. I've developed a habit of adjusting the headrest as soon as I get in the car, ensuring it fits snugly against the back of my head at the right height. Don't think of this as a minor detail—it can make a huge difference in an accident. Additionally, headrests provide daily support, making long-distance driving more comfortable and reducing fatigue. However, don't rely on them alone; safe driving habits are fundamental, such as maintaining proper following distance. I recommend checking your headrest during every maintenance visit and replacing it if it's loose or damaged.

[Jackson]

To be honest, I value headrest comfort the most. Driving in a car all day without a good headrest can really make your neck ache. Its main purpose is to support the head, helping the body relax a bit, especially when turning or on bumpy roads to keep your head steady. While it also helps prevent whiplash in rear-end collisions, I'm more concerned about daily driving comfort. Nowadays, many car headrests are adjustable in angle and height, and paired with soft padding for extra coziness. Over time, this reduces muscle strain and prevents headaches from long drives. Don't overlook this—it significantly enhances the driving experience, making the seat combination more thoughtful. Taking the time to adjust it properly offers numerous benefits.