Car Will Not Start problems of the 1999 Toyota RAV4

The contact owns a 1999 Toyota rav. When the ignition was turned to the off position in the evening, the radio was activated the next morning. Also, the fan in the engine was running and caused the battery to drain. The ignition was turned to the on position, but the vehicle failed to start. While driving at an unknown speed, the engine stalled and the air bag warning indicator illuminated. The vehicle restarted on some occasions, but the failures recurred numerous times. The vehicle was taken to an independent mechanic where it was diagnosed that the theft deterrent system failed and needed to be removed. The vehicle was repaired, but the failures recurred and rendered the vehicle inoperable. The manufacturer was made aware of the failure and stated that the VIN was not included in NHTSA campaign number: 98v278000 (electrical system). The failure mileage was approximately 110,000.