So if you see any brake-related symbol light up on your dashboard, the last thing you should do is ignore it. The first must-know warning light is the Brake System Warning. This means your brakes ...

which illuminates this warning light. It's easy to see if you've switched it off by accident by pressing the respective button on the dashboard, and it should also light up if there's a fault that has ...

Hambleton said: "The engine cooling warning light, resembling a thermometer over wavy lines, is one of the least recognised dashboard symbols but crucial for preventing serious engine damage.