The rear glass has a glare on it. any headlights behind you and aimed in to your rear glass are picked up by the defroster lines creating a distracting hazard. this condition presents whether the glass is stock or has tint on it applied by kia. the attached photos included the condition with and without the tint. over a four month process, kia has acknowledged the issue but refused to make any attempt to fix the it despite the vehicle being under warranty.