This service bulletin has been added to the Cadillac V-Net's Knowledgebase:
2016 - 2022 Cadillac ATS-V - CTS-V - CT5-V - CT4-V: Service Bulletin: #15-NA-034: Information on Crystal White Frost and Dark Emerald Frost Matte Paint Finish - (Jul 28, 2021)
Cadillac’s Frost matte finishes used on the Cadillac ATS-V, CTS-V and CT4-V CT5-V Blackwing are completely unique from other automotive paints and require specific care.
www.cadillacvnet.com