See also:

Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...

Rear-Seat Pass Through
If the vehicle has the rear-seat pass through door, the trunk can be accessed through the rear seat. This is useful when transporting long items. To open the door, pull down the rear seat ar ...

Why Safety Belts Work
When riding in a vehicle, you travel as fast as the vehicle does. If the vehicle stops suddenly, you keep going until something stops you. It could be the windshield, the instrument panel, ...