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Car Maintenance Basics

Dipsticks, tyre codes and jump leads: the stuff every driver should know before the garage bill arrives. Pop the bonnet and test yourself.

🏎️ Cars easy 20 questions ~6 min
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What this quiz asks

  • What do you pull out from under the bonnet to check the engine oil level?
  • What voltage is a standard car battery?
  • On many fuel gauges, what does the small arrow next to this symbol tell you?
  • Tyre pressures should ideally be checked when the tyres are cold.
  • What does the pressure figure moulded on a tyre's sidewall tell you?
  • When changing a wheel, you should loosen the wheel nuts slightly before jacking the car up.
  • When refitting a wheel, in what order should you tighten the nuts?
  • In an engine oil grade such as '5W-30', what does the 'W' stand for?
  • If you fill a diesel car with petrol by mistake, should you avoid starting the engine?
  • Many brakes start to squeal on purpose. What is that noise usually telling you?
  • Select ALL of these that are normally replaced during a routine service.
  • What does a car's cabin filter, or pollen filter, clean?
  • Why should you never open the coolant cap on a hot engine?
  • What is 'tyre rotation'?
  • What is the legal minimum tread depth for car tyres in the EU and UK, in millimetres?
  • Select ALL of these that mean a tyre should be replaced.
  • In the tyre size '205/55 R16', what does the '16' tell you?
  • Why does brake fluid need changing every couple of years?
  • Put these jump-start connections in the order you should make them, first to last.
  • A tyre's DOT code ends in '2319'. What does that tell you?