2006 Nissan Altima transmission problems

The contact owns a 2006 Nissan Altima. The contact stated that the vehicle stalled upon the depression of the accelerator after coming to a complete stop. The contact was uncertain if any warning lights appeared during the failure. The contact was able to pull the vehicle off the road and into the entrance of a parking lot. She then stated that the vehicle independently lurched forward through a fence and rolled down a hill and into a five-lane road. The air bags did not deploy during the incident.

Dt*: the contact stated a noise was heard coming from the engine; there was excessive oil consumption and the transmission slips at various speeds. The noise from the engine was observed before the engine excessive oil consumption was discovered. The dealership was alerted and directed the contact to add oil every 700 miles. The dealer explained something is wrong with the pistons therefore; the engine needs to be replaced. It will take up to two months for the replacement engine to be available.