To slide out of control on a wet road surface.

The transmission will automatically select gears as the driver accelerates and decelerates.

Invisible ice that covers a road surface.

The section of road behind the driver that cannot be seen in any mirror. To see the blind spot, you should look over your shoulder before moving off or overtaking.

Where brakes lose their effectiveness due to overheating and over-use.

The distance you must allow to slow the vehicle to a stop.

This is a component that mixes the fuel and the air.

One side of a road or motorway.

A gadget fitted to the exhaust system that reduces pollution by turning harmful gases into less harmful ones.

A sharp double bend used as a traffic calming measure - to slow traffic down.