0 either of the two smaller lights fixed on the front of a car --
1 a piece of extra information that helps you understand something in a slightly new way: --
What he said threw/cast an interesting sidelight on what had happened.
I gather that those regulations still apply, although the sidelights on some cars are nothing more than vestigial.
Is not it desirable, where this operation is taking place, that there should be sidelights to warn other traffic?
Far too many drivers drive on sidelights alone.
As my noble friend said, you can meet on a highway in snow or fog huge trucks driving on what they call "sidelights".
The only important and really useful instruction should be to use dipped headlamps in thick fog or mist, or heavy rain, and not just sidelights.
We all agree that it is ridiculous to have pathetic little sidelights on in a thick fog.
There are other sidelights about it, but that is the basis of it all.
At present the only condition imposed on drivers at night is to use their sidelights.
