If you need to do auto repairs to your Honda CX 500 E then it is always recommended to have access to a Workshop Manual to keep just for personal reference in the event that you need to know how to remove a particular component for instance the Dashboard and fit it again successfully.
Honda CX 500 E Workshop Manuals offers clear exact diagnostic info for the vehicle so if something is broken it will help you determine what the issue is and ways to repair it. After that you can decide if this can be done yourself or if the job is too big you are able to book your CX 500 E right into a decent garage.
Honda CX 500 E manual