Cadillac have made a solid start in F1. The challenge now is to make their car faster. With a long break before the Miami Grand Prix, there's time for hard work at the factory... and for Team Principal Graeme Lowdon to answer your F1 questions.

How do Formula 1 teams get all their kit to Grands Prix? What’s the difference between Reserve, Test and Development drivers? And how do team members working at the team's bases in the US and UK during race weekends help the team at the track?

Graeme also gives his assessment of Cadillac’s first three races in F1 and tells Christian Hewgill what the team are working on during the April break.

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