Coronavirus COVID-19: Advice on buying, owning and running a car during the outbreak | No thanks

Honest John's mailbag contains hundreds of letters and emails each week, but the vast majority of them ask the same questions. The most popular ones are reproduced below.

Have you got a question that's not answered here? Ask Honest John here.

  1. ADBLUE: What is AdBlue and What do I need to know about it?

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  2. AIR-CONDITIONING: How do I know if my air conditioning needs servicing?

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  3. AUCTIONS: Is buying a car from an auction straightforward?

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  4. AUTOMATIC TRANSMISSION SPECIALISTS: Could you recommend any automatic gearbox specialists?

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  5. AUTOMATIC TRANSMISSIONS: What are the different types? 

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  6. BATTERIES: How do I extend the life of my battery and prevent it going flat? 

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  7. BRAKE DISCS AND PADS: Why do brake discs as well as pads need replacing so often?

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  8. BROKERS: Which brokers should I consider if buying a new or used car?

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  9. HIRING A CAR: Where can I hire a car in the UK and abroad?

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  10. CAR HIRE INSURANCE: What do I need to know about insuring hire cars?

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  11. CHAIN CAM ENGINES: Which engines have timing chains instead of timing belts?

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  12. INSURANCE: Which are the cheapest new cars to insure?

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  13. CHILD CAR SEAT LAWS: What are the current child seat regulations?

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  14. COMPANY CAR TAX (BIK): How does BIK company car tax work?

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  15. CONSUMER RIGHTS: How do I reject a vehicle or get compensation for problems with a car?

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  16. CONTINUOUS INSURANCE: What is it and how does it affect me?

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  17. CONVERTIBLE HOODS: What are the best products for reconditioning a canvas hood?

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  18. COOLANT: How long does it last and which type should I use? 

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  19. COOLING SYSTEM AIRLOCKS: How do I get rid of an engine cooling system airlock? 

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  20. CREDIT HIRE: What is it and how can it affect me if I am involved in a crash?

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  21. DPFs: What are they and why do they go wrong?

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  22. DIESEL v PETROL: Which is better for me?  

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  23. DRIVER TRAINING: Where can I get advanced driver training?

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  24. DUAL MASS FLYWHEELS: What are they and why are they so much trouble? 

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  25. ENGINE ECU: Where can I have the Engine Control Unit (ECU) of my car re-mapped?

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  26. ELECTRIC CARS: Is an EV right for me?

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  27. FINDING AN OLD CAR: How can I find a car I owned years ago?

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  28. FLASHING OTHER DRIVERS: Is it illegal to flash other drivers to warn them of a speed trap?

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  29. FORD RADIO CODES: If I lose the code of my Ford radio how do I get it back?

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  30. FRENCH TELEPASS: Where can I get a telepass for the French Autoroute?

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  31. FUEL: What are the benefits of running a vehicle on Superunleaded or Superdiesel?

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  32. FUEL ECONOMY: What MPG should I be getting from my car?

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  33. GAP INSURANCE: What is GAP insurance and do I really need it?

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  34. GARAGE SERVICING: How can I find a reputable garage  to service or repair my car?

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  35. IMPORTING A CAR: I want to import a car to the UK - what do I need to know?

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  36. INSURANCE GROUPS: How can I find the insurance group for a car?

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  37. INSURANCE IN FRANCE: I have heard that the car is insured, rather then the driver. Is that true?

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  38. INSURANCE WRITE OFFS: What do different insurance write off categories mean?

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  39. JUMP STARTING: What is the correct way to jump start a car?

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  40. LEADED PETROL: I have an older car designed to run on four-star leaded petrol. What should I be using now? 

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  41. LPG: Where can I get my car converted to run on LPG?

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  42. MISFUELLING A CAR: What should you do if you accidentally put the wrong fuel in your car? 

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  43. MULTI CAR INSURANCE: Can I insure more than one car on the same insurance policy?

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  44. NEARLY NEW CARS: Where are the best places to source a nearly new car?

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  45. NEW CARS: How can I save money when buying a new car?

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  46. NITROGEN IN CAR TYRES: What's the point of filling car tyres with Nitrogen?

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  47. OIL CHANGES: How often should I change the oil in my car?

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  48. PASS PLUS: What is Pass Plus and will it reduce my insurance? 

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  49. PARKING FINES. What are my rights regarding parking penalties for parking in private carparks?

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  50. REGISTERING A CAR WITHOUT A V5C: How can I register a car without a V5C?

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  51. RUNNING IN A DIESEL: What's the best way to run-in a diesel engine?

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  52. RUNNING-IN A PETROL ENGINE: What's the best way to run-in a petrol engine?

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  53. SCRAPPAGE SCHEME: Are there stil scrappage schemes running?

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  54. SELLING A CAR: How do I accept payment safely?

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  55. SELLING A CAR AFTER THE OWNER DIES: How can I sell a car after the owner has died?

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  56. SMART REPAIRS: Who repairs minor damage to my car, its trim and wheels?

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  57. SPANISH LICENCE: How long can a Brit drive on a British licence in Spain?

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  58. SPEEDING DEFENCES 1. Is inadequate posting of a speed limit a valid defence to a speeding NIP?

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  59. SPEEDING DEFENCES 2: What can I do if I receive a NIP late or cannot identify the driver on the occasion of the alleged offence?

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  60. SPEEDING DEFENCES 3: Is incorrect use of a speed measuring device a valid defence against conviction for speeding?

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  61. SPEEDING OFFENCE CODES: What do the various endorsement codes mean?

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  62. STORING A CAR: How should I prepare my car for long term storage?

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  63. TAXING A CAR YOU HAVE BOUGHT: How do I legally drive home a car I have bought privately?

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  64. TOWING: Can you give me some general tips about towing? 

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  65. TOWING LAWS: What is the new tachograph law about towing? 

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  66. TYRE AGE: How can I find out how old my tyres are?

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  67. VAN SPEED LIMITS: What are the speed limits for vans and pick-ups?

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  68. VEHICLE EXCISE DUTY: How much is the tax on my car?

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  69. WARRANTY SERVICING: What happens to my new car warranty if I have my car serviced outside the franchised dealer chain?

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  70. WHEEL TRACKING AND ALIGNMENT: Where can I have my car's suspension properly laser aligned? 

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  71. WINTER TYRES: Should I use different tyres for the winter?

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  72. YOUNG DRIVERS. Where can youngsters aged 11 - 16 learn to drive safely?

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  73. YOUNG DRIVERS INSURANCE: Where can I find cheap insurance for younger drivers?

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