This is due to the humidity control programmed into the HVAC system. It can be turned off using ForScan. The humidity sensor on the dash near the windshield needs to be programmed as not existing, thereby preventing the HVAC from turning the compressor on.
Just joined after placing a deposit on a '26 RR. It has been made and is currently in transit. I was told to expect 3-4 weeks for delivery to the dealer.
Just wanted to say Hi.