most saloons, coupes, bmw 3 & 5 series'... then again people with hatches remove them, so you could be rightWouldn't imagine so mate, some cars are made without them.
If you have one, it's checked, and they can advise or even fail you on it. If it's not there at all, then obviously that's fine.
Same for spare wheels. If it's there, they check it and can advise/fail you on it.
A blade's about £20 at the most.. lol.
Or £5er from tesco.. not the most expensive thing to replace..