GLASS ROOF/SUNROOF ASSEMBLY CONSTANTLY CREAKS AND POPS. TAKEN TO DEALERSHIP AND TSB PERFORMED, NOISES WENT AWAY FOR APPROXIMATELY 2 WEEKS AND NOISE RETURNED. TOOK BACK TO DEALERSHIP, WAS INFORMED IT NEEDED "LUBRICATION" AND IT SHOULD BE FINE, NOISES HAVE RETURNED AGAIN. ALSO, THE HATCHBACK ALWAYS RATTLES, AS RECOMMENDED BY A SCION MESSAGE BOARD, SLIGHTLY LARGER BUMP STOPS WERE PURCHASED, WHICH LESSENED THE RATTLING, BUT IS STILL PRESENT WHEN GOING OVER BUMPS, SOUNDS LIKE IF HATCH WAS NOT FULLY CLOSED, BUT IT IS. ALL OF THE ABOVE INFORMATION IS FOR A SCION TC, OPTION FOR THIS VEHICLE WAS NOT AVAILABLE IN COMPLAINT FORM SO A SCION XB WAS SELECTED. *JB