These unique "Halo" style tail lights are definitely a much needed upgrade for your C5 to help bring it into the current times. With 32 LED's in each tail light, these lights illuminate much faster and brighter than the stock tail lights.

For the Original version: The entire light is lit when the running lights are turned on, and the middle portion gets brighter when the brakes/turn signals are applied.

For the Halo-Runner version: Only the "halo" portion of the light is lit when lights are turned on, then the middle portion lights up when the brakes/turn signals are applied. If lights are not turned on, then only the middle portion will light up when the brakes/turn signals are applied. (Your lights must be turned on for the "halo" portion to be lit).

You can install these fully assembled plug & play lights in minimal time! Each light only requires removal of 2 screws so installation is a piece of cake!