Court says prosecutors failed to prove their case beyond reasonable doubt.
He was treated on the scene by an advanced life support paramedic and then transported by ambulance to hospital for further treatment.
She received minor injuries and has been booked off work to recover.
Rescue teams from Boksburg central fire station and paramedics responded to the call and found both the driver and the passenger still trapped inside the wrecked car.
Two children aged two and 10 sustained critical injuries.
The car was travelling on the M13 towards Pietermaritzburg when it was fired upon
Two men were killed when their car crashed into a tree along Elias Motsoaledi Street in Dobsonville, Soweto, Johannesburg on Saturday, paramedics said.