Also, keep in mind that this is the schwintek slide out system (I think there is a write up about it in the "tools" section). I have been advised by Heartland that when you open/close the slides, you need to hold down the switch and let the system "time out". In other words, don't partially open/close one of the slides. Let it fully open or fully close. I was also advised by Heartland to open the big one first and then open the smaller one. Reverse when closing. On mine (4007), the bigger bedroom slide is the smaller switch and the bed slide is the larger switch. Definitely need to label!