Palou, winner in Detroit last year, propelled his #10 Chip Ganassi Racing Honda to a flying lap of 1m01.7210s on the softer alternate tyres to set the pace in the session. The quick lap came during first group and rookies segment, which came in the 15 minutes after the all cars portion.
“It was busy,” Palou said. “I went to visit the runoff areas a couple of times here and there; just trying to find the limit and the grip of the track.
