The Terminator had concluded an alternative way of protecting John Connor would be to help Angel Investigations eliminate demonic threats. If the evil population was lessened, then his survival had a higher probability of success. Of course there was the matter of Cameron, a female terminator who was already protecting him directly. Which left the T-850 to protect him indirectly, unless John wished otherwise.
So, dressed in his usual leather attire, with sunglasses (even though it was still daylight hours), the Machine opened the front doors and walked into the lobby. He approached the front desk and stopped two feet from it. He spoke in his usual neutral tone, "I am required to communicate with the leader of Angel Investigations."