The news site Al.com reports that a passerby called 911 in Birmingham on Thursday morning after seeing the woman slumped over her steering wheel at a traffic light.
Police say officers roused the woman and removed her from the SUV. Authorities say she was handcuffed and taken to the city jail on a DUI charge.
A photo of the woman by al.com showed fake blood covering much of her torso as she was apprehended.
Details on her identity weren't immediately available.