
Wing mirrors – also called side mirrors or door mirrors – help the driver or rider see what’s at the side and behind them. Despite their usefulness in reversing and changing lanes, cars and bikes didn’t used to have them…
Air recirculation Your car can introduce air from the outside, or it can recirculate air that’s already in the car. It’s not a completely closed system – there’s always air coming in from the outside because your car is not…