Police are concerned that lower lamps designed to beam through fog, snow and heavy rain are being used illegally in broad daylight and clear night conditions. 

The RACV has reported complaints from motorists about improper use of driving and fog lights, which cause unnecessary glare.

Hamilton highway patrol officer Sergeant Scott Williams said some drivers were unaware of the requirements.

“We often pull people over and tell them and remind them of the rules,” he said. “Fog lights can only be used in abnormal atmospheric conditions.”

He said police also booked drivers who had coloured headlamps, mainly blue, red or green. “Bulbs must be clear or white,” he said.

However, daytime running lights often fitted to modern car headlamps are legal and have been encouraged by the RACV.