2 x Dynamic Turn Signal Indicator LED Taillight Module for GLI 2017-2018

No error message. No coding required.Plug & Play installation. All features at a glance.It works with split turn signal on the .The add-on module allows you to convert your standard LED turn signals into a semi dynamic turn signal.The module controls the outer turn signal slightly time-delayed, whereby the special effect comes about.Fitment: for GLI 2017-2018 16D945427colour:BlackMaterial:ABSPackage Contents:2 x Dynamic Add-on ModuleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.