From 1st October Smoking in vehicles carrying children under 18 years has come into force.
The ban is a restriction on drivers and passengers who will face a £50 fine if caught.
Opening a window or sunroof will not be a defence. However smoking would be allowed if in a convertible car with the roof down.
The ban will not apply to e-cigarettes
Employers will not be liable for the act of their employees smoking in company cars with children present