If you have to execute auto repairs on your CPI Popcorn then it is usually recommended to own a Workshop Manual to keep just for personal reference if perhaps you want to know techniques to remove a particular part including Brake Pads and fit it again properly.
CPI Popcorn Workshop Manuals provides unique diagnostic guides on your car therefore if something is broken it helps you ascertain what the issue is and methods to repair it. You can then assess if this can be achieved on your own or if the job is simply too big you can actually make a booking for your Popcorn in with a suitable repair garage.
CPI Popcorn manual