After looking through how GTA V car interiors are sometimes messed up, I decided to make some fixes for GTA IV vehicles. It's turning out very well for my little graphics skill. 
http://gtaforums.com/topic/781796-wipiv-eflc-fixed-vehicle-interiorsbadges/
http://gtaforums.com/topic/781796-wipiv-eflc-fixed-vehicle-interiorsbadges/