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 Other power wheelchairs I’ve seen use solid tires, why does Hoveround use inflatable front drive tires on their chairs? How much is the PSI and how often should I check them? What happens when I get a flat drive tire? Do you sell solid, flat-free wheels? How long is the warranty on my Hoveround power chair? How do I replace the batteries on my MPV4 or MPV5 power wheelchair? Why doesn't insurance pay for ramps, vehicle lifts, and stair lifts?