Race edit: Singapore '15

1:41Now Playing

McLaren unveil new livery for 2019

2:13Now Playing

Charles Leclerc - 'It's a special and emotional day for me'

1:57Now Playing

Sebastian Vettel - 'Excited to get back into the car'

3:37Now Playing

Carlos Sainz - 'So much effort has gone into this car!'

4:26Now Playing

Zak Brown - 'We're keeping our heads down and seeing where we go'