A mechanic found the two year old in the vehicle where she had become malnourished and mentally ill.
Rosa Maria Da Cruz appeared in court in the central city of Tulle on charges of repeated violence against a minor, causing permanent disability.
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Authorities said the child was around two years old when a garage mechanic found her in the car, malnourished and with severe developmental problems.
A report by state broadcaster France-Info said Cruz hid her pregnancy and the birth from her husband and three other children.