An automated sliding panel mechanism is disclosed. An automated sliding panel mechanism includes a motor attached to a first component of a sliding panel that is configured to move the sliding panel between a closed position and an open position. The mechanism also includes a power source and a rack attached to a second component of the sliding panel and including a base with rack teeth extending from a plane thereof. A gear is rotated by the motor and has gear teeth shaped to mesh with the rack teeth. A manual release mechanism is adapted to move the gear along its axis of rotation, from an engaged position, wherein the gear teeth mesh with the rack teeth to a released position, wherein the gear teeth are disengaged from the rack teeth. The manual release mechanism also includes a holding mechanism adapted to hold the gear in the engaged position and in the released position as selected by a user.