Abstract: A child seat occupant warning system for an auto, comprising a sensor detecting the connection of the removable seat to the seat base, further comprising a central processing unit that communicates with a sensor in the driver seat of the auto, a vibration sensor sensing engine operation of the auto, a GPS transmitter with delay, and a low battery warning mechanism, whereby engine cessation, driver absence and seat base connection to child seat triggers an audio alarm to remind a driver to remove the child from the vehicle, the system reset by removing the child seat from the base.