I found a 2016 Subaru WRX on USAA's car buying service, which is powered by TrueCar. I filled out a form to lock in the internet price (which should include all dealer documentation, prep, and additional fees) excluding tax. I went to test drive the vehicle and, upon returning from the test drive, the brakes were smoking. This was after the salesman told me that their used vehicles undergo a 150 point inspection prior to being listed for sale. I went inside to talk pricing and showed the salesman the Price Protection Certificate from USAA/TrueCar. The salesman borrowed my phone and took it to show his manager. Approximately 20 minutes later, he returned with my phone and a piece of paper listing additional fees which would be added. In addition to the advertised price of $21,485, they would add a $1,500 fee labeled as Action Auto Group Loyalty Incentive (the primary buyer must have purchased or leased a vehicle from Action Auto Group in the last 3 Years, and must be using that vehicle as a trade-in) as well as a $995 Used Car Prep Fee. These fees were not optional. I told the salesman that I have a Price Protection Certificate which promises the vehicle be sold at the price listed on the certificate ($21,185 including a $300 USAA car buying service discount). The salesman went to talk to his manager and returned to tell me that they would reduce the Loyalty Fee to $750. I again explained that this was a violation of the certificate and asked to speak with the manager. The manager came over and informed me that the dealership would not honor this price and if I didn't like it that I could leave. I told the manager, "I guess we're done here." He responded with "I guess so," and turned to walk away without shaking my hand. I turned to the salesman who shook my hand and thanked me for coming in. I thanked him for his time and left.