Vehicle Maintenance
Study all Vehicle Maintenance questions for the Spanish DGT theory test.
Reviewed on 9 Aug 2026
38 questions
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- Why should the light lenses be kept clean?
- The wiper blades streak and squeak. What should you do?
- The wipers work but no fluid comes out of the nozzles. What should you check?
- What should you look for when inspecting the vehicle's belts and hoses?
- What are the consequences of a faulty exhaust system?
- What is the function of the engine air filter?
- What is the cabin filter (pollen filter) for?
- What purpose do the transmission and power steering fluids serve?
- Why is it recommended to refuel at reputable service stations?
- In some diesel vehicles, what specific maintenance task may be required in the fuel system?
- What type of oil and additive is advisable to prepare the vehicle for winter?
- In summer, what precaution should you take with tyre pressure?
- What is the advantage of keeping a vehicle maintenance logbook?
- What is the ITV in Spain?
- Which of the following aspects does the ITV check?
- A warning light comes on the instrument cluster while you are driving. What should you do?
- As a new driver, what is a good preventive maintenance habit?
- When is it advisable to see a professional mechanic?
Questions people find hardest
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Frequently asked questions
- Which of the following is NOT a benefit of good vehicle maintenance?
- It increases fuel consumption A well-maintained vehicle is safer, uses less fuel, produces fewer emissions and lasts longer. It does not increase fuel consumption; on the contrary, it reduces it.
- How should the engine oil level be checked with the dipstick?
- With the engine cold and off, on a level surface The oil level is checked with the engine cold and switched off, on a level surface. The level must sit between the minimum and maximum marks on the dipstick.
- While driving, the oil pressure warning light comes on the dashboard. What should you do?
- Stop the vehicle immediately and not continue until the cause is fixed The oil pressure warning light indicates the level is low or pressure is insufficient. You must stop the vehicle immediately and not continue until the cause is found and fixed, as it could cause serious engine damage.
- Where should oil be added to the engine?
- Through the filler cap, on the top of the engine 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.
- Bluish-white smoke comes from the exhaust pipe. What does this normally indicate?
- That the engine has too much oil or is burning oil Bluish-white exhaust smoke usually indicates the engine has too much oil or is burning oil. You should check the level and visit a garage.