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.
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Increasingly cloudy with drizzly rain tonight. A cloudy start on Monday but brightening up with plenty of sunny spells in the afternoon.
The grass pollen risk will rise to high during warm, dry weather.
Cloudy with patchy rain and drizzle this evening. Mild tonight, then dry with plenty of sunny spells tomorrow.