- A Through the dipstick tube, with the engine running
- ✓ Through the filler cap, on the top of the engine
- C Through the drain plug, at the bottom
- D Through the coolant reservoir
Why this is the correct answer
To top up oil, lift the bonnet and pour it through the filler cap on the top of the engine, with the engine switched off.
More questions on Vehicle Maintenance
- Bluish-white smoke comes from the exhaust pipe. What does this normally indicate?
- Why should any engine oil spill be cleaned up immediately?
- Where and how is the coolant level checked?
- What is antifreeze used for in the cooling system in winter?
- What happens if the engine idle speed is set too high?
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