56. The Driver and Vehicle Standards Agency (DVSA) and the police carry out spot checks for faulty vehicles. What will happen to the vehicle if serious defects are found?

22. What could happen if you overfill your engine with oil?

19. A loud buzzer sounds in your vehicle. What's this most likely to indicate?

63. You're about to start a long journey midway through the day. What should you do if you notice that the sidelights work but the headlights are faulty?

13. You're checking your vehicle's tyres before starting a long motorway journey. What check should be made on each tyre?

66. In very cold weather, moisture can freeze in your vehicle's air storage tanks. What can you do to help prevent this from happening?

59. Why is it important to avoid overfilling the engine with oil?

77. What do heated fuel lines prevent?

2. What's the purpose of the oil filter?

50. Why should you carry out a daily walk-round check before setting off?

42. What's the final thing you should do after recoupling a trailer?

21. Why are energy-saving tyres effective?

11. When should you check the wheel nuts on your vehicle?

52. What could happen if you overfill your engine with oil?

54. What proportion of the width of a tyre must have at least the legal minimum depth of tread?

32. A tyre has been replaced on your vehicle. What precautions should be taken when tightening the wheel nuts?

45. What should you check before you drive off a muddy building site onto the road?

9. When should anti-freeze be used in the cooling system?

4. Why do air tanks on brake systems need to be drained?

76. Where can you get advice to help carry out minor repairs?

58. While driving, your engine-oil warning light comes on. Why could it be dangerous to continue driving?

61. How can vehicle breakdowns be reduced?

36. What should you do if your power-assisted steering fails suddenly?

33. What's the fifth-wheel coupling used for?

43. When should you check the oil level in your engine?

46. You're driving along a motorway. What should you do if the air-pressure warning device starts to operate?

10. What should you check for wear or damage on a drawbar unit?

68. You've stopped on a firm, level surface. What's the first thing you must do before you uncouple the trailer?

47. Which tool is essential for fitting a road wheel?

48. How often should the components of the fifth-wheel coupling be inspected?

30. When would you use 'kickdown' on a vehicle that has automatic transmission?

80. Where can you get advice about carrying out repairs to your vehicle?

60. On motorways, you're usually driving at higher speeds for long distances. What effect can this have on your tyres?

65. What do the codes shown on the side walls of bus and lorry tyres refer to?

6. Why should your engine oil be changed at the recommended intervals?

24. What happens to diesel fuel when it gets hot?

14. What would be illegal?

37. What would you secure with a dog clip?

39. You notice that one of your tyres has a bulge in the side wall. What will happen if you drive the vehicle?

3. What's the most likely cause if your steering starts to feel heavy?

49. What does this warning light on the instrument panel mean?

1. Your vehicle has broken down at night on a two-way road. How should you try to leave the vehicle?

7. You're checking your vehicle. What should you do if you discover an air leak in the braking system?

16. When should your lorry coupling system (fifth wheel) be checked and lubricated?

17. Your vehicle suffers a tyre blow-out. How could this create a hazard for other road users?

15. You've had to change a wheel on your vehicle. When should the wheel nuts be checked again?

74. At a Driver and Vehicle Standards Agency (DVSA) roadside check, your vehicle is found to have serious defects and you may no longer use it. Who will DVSA share this information with?