You're sitting in your car, perhaps waiting at a red light, when your eyes wander across the instrument panel. Among the buttons, vents, and dashboard warning lights, there's a small unmarked ...

Modern cars often come equipped with features whose functions we might not understand, such as the plastic spherical detail on the dashboard. It turns out, however, that it plays an essential role.

One such element is the grille, which can be noticed in different places on the dashboard. Your child may ask what it is, so ...