Many smokers regard their car as the last refuge from the ban that has prevented them from lighting up in public.
But now smoking behind the wheel could result in their being prosecuted for driving without due care and attention.
Under the new Highway Code, which comes into force today, having a cigarette while driving is a breach of the rules of the road and classed as a "distraction
New additions to the Highway Code include drivers being advised to stop if they are dazzled by the sun.
Can't you just see the fun that will cause if hundreds of motorists stop on motorways because they have been dazzled by the sun?