Race edit: Singapore '15

3:19Now Playing

Juan Manuel Correa prepares for incredible return to racing

5:35Now Playing

Ultimate Guide to the 2021 Formula 3 Season

3:07Now Playing

Good vs. Great: Two laps of Spain with Sergio Perez compared

12:05Now Playing

Jolyon Palmer's Analysis: How Verstappen outfoxed Hamilton at Portugal restart

3:09Now Playing

Romain Grosjean returns to F1 with special one-off Mercedes test