F1 Explained: What Happens in Practice Sessions?

To the untrained eye, F1 practice sessions can look like 90 minutes of constant lapping - but under the surface, there's a heck of a lot more going on. Back in Mexico, Will Buxton joined Williams for a session, to experience the full programme of system checks, new part testing, and driver feedback. Take a look at what went on For more F1® videos, visit http://www.Formula1.com Like F1® on Facebook: https://www.facebook.com/Formula1/ Follow F1® on Twitter: http://www.twitter.com/F1 Follow F1® on Instagram: http://www.instagram.com/F1 #F1