If you need to execute repairs for your Hyosung GT650S then it is always recommended to own a Workshop Manual to use as personal reference in case that you want to know how to strip off a particular part including Dashboard and match it again in the correct way.
Hyosung GT650S Workshop Manuals can offer you specified diagnostic guidelines on your car or truck so if something is faulty it will help you figure out what the situation is and methods to repair it. You can then evaluate if you can do this by yourself or that the job is too big you can still make a booking for your GT650S right into a trusted repair garage.
Hyosung GT650S manual