The shooting happened Sunday night just before 11 p.m. on Quitman Street near the Eastex Freeway in Fifth Ward.
We're told that the driver got into an altercation with a passenger after they tried to change drop-off locations.
After the driver refused, the passenger threatened the driver by putting a gun to his leg. When the driver refused again, the suspect shot him and then ran from the car.
Police said the driver was taken to a hospital where he's expected to be OK. An investigation is ongoing.