Make sure that the stair lift you purchase has a seat belt or other limiting device. This is an extremely crucial security feature and, just like the seat belt in your vehicle, it works better if you use it. Stair lifts are designed in such a method that they move slowly and very efficiently, however it is constantly much better to air on the side of caution. By utilizing the safety belt you ensure that you will not fall or slip out of the chair in your house.