It's feared hundreds of holiday makers travelling to the continent could be caught out by a new French law which comes into effect this weekend. From Sunday it will be compulsory for motorists to carry two breathalysers with them at ALL times.
And as Sarah Saunders has been finding out, it's not the only law British drivers seem oblivious to.
More top news
Wednesday's lunch-time weather for the east
Wednesday's lunchtime weather for the west
From Faversham to Portsmouth - your photos recording the hot temperatures across the region today.