Saeed Ahmad, 23, is accused of crashing into a concrete barrier last week on the Gowanus Expressway killing 25-year-old Harleen Grewal.
In exclusive video obtained by Eyewitness News, you can see a man hailing a cab in the middle of the expressway while Grewal burned to death.
Exclusive: Man hails cab while girlfriend dies in car fire
Ahmed was later found at Maimonides Medical Center, where he was treated for burns to his neck, arms and legs.
He was arrested and facing charges of second degree manslaughter, criminally negligent homicide, leaving the scene of an accident, aggravated unlicensed operator and speeding.
Ahmad will be arraigned in Brooklyn.