Revision question · Band 2 traffic signs and signals, car control, pedestrians, mechanical knowledge

What should you do if you discover that the coolant in the vehicle radiator needs topping up during a long journey?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

Hose down the engine to cool it before refilling

Let it cool before removing the filler cap

Keep the engine running and fill it with coolant immediately

Keep driving, as the fan will cool the engine

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Let it cool before removing the filler capThis was the right answer

You should check the coolant level frequently, particularly before a long journey, and top it up as necessary. The need to top up often might indicate a leak or other fault in the cooling system. Have it checked by your garage or dealer.

Reviewed reading for this question

Car vehicle-safety questionsReviewed guidance summary · Let the engine and pressurised cooling system cool before opening its filler cap, and investigate repeated coolant loss.

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