That's just a US thing, and if you aren't familiar with that, then you won't recognise it as a taxi. Here in the UK, taxis are normally just normal cars with v

That's just a US thing, and if you aren't familiar with that, then you won't recognise it as a taxi. Here in the UK, taxis are normally just normal cars with vinyl stickers on the side. I think many people would associate the sign on the top with being a driving instructor's car