Eu too. My local, we get 30 days for an items bought online, so I tell the shops 'thanks for letting me look, I'll get it online just for the better returns policy'.
That’s why you also by your car online or over the phone (applies to EU/UK). Have the dealership mail/email the paperwork. They will ask you to come in because they know this is the case, but just stand your ground.
Then you have the right to return if you find any defects within 14/30 days.
Then you have the right to return if you find any defects within 14/30 days.