This is an easy guide on how to load a CD in a 2010 Toyota Prius. On units with standard audio system, insert CD into the slot to load. Press eject button on the left to eject. On units with JBL audio systems, press the load button in the right hand side and wait for the light. Next to the CD port to turn amber until solid green. Now you can insert a CD (if you'd like to load all 6 CDs), press and hold the load button and wait until light turns solid green. Now you can insert the next CD and do the same and wait for the light to turn solid green to proceed before loading the next disks. On units with the navigational system, press the load close button on the left hand side. select the on-screen load button and the navigation screen will flip open. Wait until the green light turns solid then you can now insert the disk.