MOT test: Top reasons your car will fail its MOT and how to avoid getting caught out

The most common reason for failing and MOT was lighting and signaling. Switch all your lights on and walk around your car to check they're in working order. Next was suspension - Pay attention to noises made by your car during everyday driving – particularly during cornering or when passing over bumpy roads. Last was brakes. Listen out for squealing or grinding noises while driving.