F1: Daniel Ricciardo Fights His Way Back - The New York Times

He had picked up a lot of bad habits. It took some of his old engineering team to unpick some of those and very quickly, and in a virtual world, get him back on a par with what we were used to.”

One problem, Horner said, was that Ricciardo’s braking technique “had changed dramatically.”

“He was trying to put a sticking plaster on a weakness of the car,” he said. “Once we sorted that, then everything started to become more natural.”