But with all this progress comes one little problem: dashboards and gear shifts are now cluttered with so many buttons, knobs, and mystery features, it’s easy to overlook some of their most useful ...

Wondering what the 'O/D Off' light means in your car? Learn what Overdrive is, why the light comes on, and when to use it.

Numerous drivers do not know about the button, which can help reduce strain on both the engine and the starter ...

When it's off the car will always stay running ... and starter. The A-off button is typically located on the dashboard, near the gear shift. In some vehicles, a deactivation switch may be required ...