A system for determining abandonment of a child or infant in a vehicle. The system features a remote key in communication with sensors operatively connected to seatbelts in a vehicle. If a user presses the lock button on the remote key the sensors determine if any seatbelt has been left engaged. If a seatbelt is engaged an alarm is activated on the remote key. If no seatbelt is left engaged, the vehicle doors become locked. To override the alarm, and override button must be pushed on the remote key. An unlock button on the remote key unlocks the vehicle doors and the system is reset.