The accident happened in the Crown Heights neighborhood at Atlantic and Bedford avenues at about 3:30 p.m., WABC-TV, New York, reported.
The employee was driving a Cadillac Escalade out of the car wash when it struck another vehicle, sending him flying onto the street, the TV station said.
The SUV hit multiple vehicles before hitting a fire hydrant.
Millions of Getty images now available for free via embed tool
NBC reportedly holds celebs hostage to Jimmy Fallon's show