Unattended Occupant Alarm Assembly

An unattended occupant alarm assembly includes a plurality of passenger pressure pads that is each integrated into a respective passenger seat in a vehicle to detect the weight of a passenger sitting in any other the passenger seats. A driver pressure pad is integrated into a driver's seat of the vehicle to detect the weight of a driver sitting in the driver's seat. A control unit is coupled to the vehicle. The control unit is actuated into an alert condition when the driver pressure pad does not detect the weight of the driver and any of the passenger pressure pads detects the weight of the passenger after a pre-determined duration of time. Additionally, the vehicle horn is actuated to emit an audible alarm and the electric window system is actuated to roll down windows of the vehicle when the control unit is actuated into the alert condition.