a sideloader liftgate system automatically extends a stabilizer leg when a liftgate is deployed , and automatically retracts the stabilizer leg when the liftgate is stored . adjustment of the liftgate and stabilizer leg is carried out in response to a single user command . the invention prevents a user from forgetting to extend the stabilizer leg for safely using the liftgate , and also prevents a user from forgetting to retract the stabilizer leg before towing the trailer .