I am just about to fit spots/driving lights/daytime lights - what is the difference!
Spotlights are long range lights and legally have to go out when lights are on dip. Daylight running lights legally have to go off when the side/head/dip lights are on I.e. They are for use in daylight only as they can dazzle in the dark.
Legally? Yes I know it's in the rules, but I see an awful lot of cars with DRLs still on when their dipped lights are on. I don't think they are aftermarket ones either, judging by placement on vehicle.