The Great Gatsby by F. Scott Fitzgerald Chapter 8 Page 31

there were boys who had seen a man “acting sort of crazy” and motorists at whom he stared oddly from the side of the road. Then for three hours he disappeared from view. The police, on the strength of what he said to Michaelis, that he “had a way of finding out,” supposed that he spent that time going from garage to garage thereabouts inquiring for a yellow car. On the other hand no garage man who had seen him ever came forward — and perhaps he had an easier, surer way of finding out what he wanted to know. By half past two he was in West Egg where he asked someone the way to Gatsby's house. So by that time he knew Gatsby's name.

At two o'clock Gatsby put on his bathing suit and left word with the butler that if any one phoned word was to be brought to him at the pool. He stopped at the garage