In the UK there seems to be some confusion about how to signal certains messages to other drivers. I'm not talking about messages of frustration or anger, just normal messages such as "thanks". Different people have different ways of conveying these messages with different flashes of different lights. But I think that a uniform code would be much better and would allow for more varied messages to be conveyed.

Passing your driving test does not mean that you are a good driver, as you can tell on most roads every day. Passing your driving test means that you have reached the stage where you can continue learning to drive without supervision. But how many people really continue to learn to drive after they pass their test? How many people think about what they've done and how they could improve? How many people realise when they've done something wrong and learn from it to try not to do it again?

Very few.