If you want to conduct fixes to your DF Motor DF90 then it will always be recommended to have a Workshop Manual to use as personal reference in the event that you need to know methods to take off a specific component for example the Brake Pads and install it again effectively.
DF Motor DF90 Workshop Manuals are able to offer specified diagnostic wisdom for the car or truck so if something is broken it will help you determine what the problem is and tips on how to resolve it. After that you can decide if this can be done on your own or if ever the job is too big it is possible to book your DF90 right into a trusted car garage.
DF Motor DF90 manual