What to watch for in Russia

2:05Now Playing

Kimi Raikkonen - 'I expected to have a decent day'

1:39Now Playing

Daniil Kvyat - Good base to 'build house on'

2:34Now Playing

Otmar Szafnauer - Significant upgrade expected for Melbourne

1:48Now Playing

Christian Horner - 'Young and dynamic' 2019 roster is exciting

0:47Now Playing

Sebastian Vettel - New Ferrari 'working really well'