Group 1 - The core issue involves a car owner, Mr. Huang, discovering a crack in the sunroof of his Deep Blue SL03 vehicle after a car wash, which he believes is a quality issue [1][3][5] - Multiple car owners have reported similar experiences with the Deep Blue SL03, indicating a potential pattern of this issue [2][8] - The manufacturer and glass supplier have stated that the crack is not a quality problem, attributing it to external factors, which the car owner disputes [5][9][12] Group 2 - Industry professionals have noted that the straight nature of the crack does not align with typical external force damage, which usually presents with a scattering pattern [13][14][15] - A technician from the automotive repair industry expressed skepticism about the manufacturer's assessment, suggesting that the crack's characteristics indicate it may not be due to external impact [14][15] - The glass supplier has advised that any disputes regarding the assessment should be directed to the automotive brand, indicating a lack of clarity in responsibility [9][12]