Seek assistance at your local Chevrolet dealership. Why would you attempt an air conditioning repair at all, let alone with a 2020 model year vehicle?
You'll need workshop manual information from a Chevrolet dealership also.
RepairPal Certified shops can diagnose and repair your 2020 Chevrolet Trax. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.