Abstract: A transportation-vehicle “babyminder” reminds drivers that babies and/or small children are still in the backseats of their vehicles. This is similar to current front seatbelt alarms in design except that instead a warning device when seatbelts are NOT fastened, a reminder of sound/light occurs when the back seatbelts are left locked. There is more than one way this could be designed. It could use the same warning circuitry as the headlights when they are left on after the ignition is turned off. Another way would be to use the vehicle's alarm system.