Maradona, one of the greatest football players in history, underwent routine tests after the accident in the capital's Ezeiza suburb, hospital director Oscar Sico told local television.
Maradona's girlfriend was with him at the time and was also out of danger.
"The two are in a perfect condition, they've hardly suffered any injuries and they came to the hospital by themselves as a precautionary measure," Sico said.
The former player's mother is in hospital at the moment and local media said he was on his way to visit her when the accident took place.
Published 12 July 2011, 16:48 IST