How much do you know about these design details of the car?

According to the Wuwei Public Security Traffic Police:

In everyday car life

Car owners and friends may have such doubts

Why do cars have a lot of seemingly useless designs

Will it be used to this day?

Xiaobian will tell you this

These seemingly inconspicuous little designs

In fact, there is a hidden mystery

Why do cars have triangular windows?

Car triangular windows are of great use in the daily life of the car. It allows for a wider driving field of vision and reduces blind spots when driving.

In addition, the structure of the triangle is very stable, so it enhances the strength of the car structure to a certain extent, and also makes the window glass more stable when lifting and lowering.

Don't look at it so small, once broken, it is very troublesome to install, and it can be regarded as the most expensive piece of glass in the whole car.

Why aren't car headlights completely sealed?

Car headlights are actually not completely sealed, its interior will leave a breathable hole, the role is to balance the air pressure inside and outside the lamp, prolong the service life of the lamp, to avoid excessive pressure caused by the lamp damage, so do not block the ventilation hole.

Some car owners may find fog in the headlights, which is not a failure of the lights, nor does it affect driving safety. However, it should be noted here that if there is a phenomenon of standing water, it means that there is a problem with the sealing performance of the lamp, and the cause should be found out in time for maintenance.

Why do cars have to be equipped with headrests?

Many riders think that the role of the headrest is to make the head more comfortable, but in fact, its more important role is to protect the head safety and alleviate the inertia caused by the car collision to the damage to the passenger.

When the middle of the passenger's head rests on the middle of the headrest, and the upper edge of the ear is flush with the middle of the headrest, the headrest can exert the strongest protective effect. Be careful not to adjust the headrest too high or too low, which is more likely to cause more serious injuries.

Small designs contain endless wisdom

Do you understand these car design mysteries?