Originally posted by Porter
As far as a rental vehicle, you will have to check with your local dealer on that issue. Different dealers have different policies and they will have to work with Subaru on that. Obviously I have no information about your local dealer, you will have to query them on that.
Whenever WRX ECUs had to be sent to NJ for a reflash, the owner was always offered a loaner or rental, regardless of dealership policy, under the Subaru Owner Assistance Alternate Transportation Program. I would expect the same to be true for the STi.