I assume the model isn't complete, There isn't any side lighting besides the over sized side runners and for the rear there is only chevron lights. I assume your adding scene lighting aswell?
I have issues with the vehicle textures
Link to Gayzo Images:
https://gyazo.com/d67edd65326f011a70bc84c0eaf86210
https://gyazo.com/aa627ca9c55c60c7cfe76b89ae0c5370
https://gyazo.com/33794d978fd9b1f3afb1402a4aa105bb