If you need to conduct maintenance tasks on your own TGB 303R then it will always be a good idea to have a Workshop Manual for reference just in case you want to know ways to take off a particular part much like the Dashboard and match it again efficiently.
TGB 303R Workshop Manuals will provide you with precise diagnostic details on your car or truck so if something is wrong it can help you find out what the issue is and ways to make it better. You will be able to analyse if this can be done yourself or that the job is too big you are able to book your 303R into a suitable friendly mechanic.
TGB 303R manual