Better accent lighting

I wanted to make a Powerglow-style variant of one of my cars for BeamNG.drive. I tried to use rectangular indicators with red lenses to get glowing red stripes, which kind of worked, but it does this:

But when I turn off the headlights and apply the brakes, part of it looks really good:

I’d like to see more available colors for this sort of thing, plus a mode for indicators/lights/whatever to just stay on like Beam’s Powerglow cars.

EDIT: wrong picture