How can we help you? How do I Lock the Controller of my Hoveround Power Wheelchair? 2 out of 3 found this helpful The MPV5 is equipped with a locking feature. Here are the instructions and illustrations on how to lock and unlock the controller. Was this helpful? Yes (2) No (0) Category: General Related Questions What should I know about medicare and repairs to my power chair? There are flashing lights on my controller and the power chair won't move. Is there anything I can do to resolve this? Does Medicare pay for repairs to my power chair? Does Hoveround send a technician out to my house every time a service issue arises?