If you choose to execute maintenance tasks on your Azel DS 100 then it is always a good plan to own a Workshop Manual for personal reference if you want to know the way to remove a certain component for example the Dashboard and match it again safely.
Azel DS 100 Workshop Manuals gives you exact diagnostic information with regards to your car therefore if something is faulty it helps you understand what the issue is and how to correct it. After that you can decide if you can do this on your own or if the job is too big you can actually make a reservation for your DS 100 in to a nearby car garage.
Azel DS 100 manual