.
During a film day, they check whether everything is functioning properly. The most important thing is whether the data from the simulator matches the data on the track and luckily that was the case. In the sim everything was fine already.
In addition, it is very important for a driver to feel whether the car suits his driving style.
How does the car steer through the bends, how does the car react to the accelerator pedal.
You can always tell from Max's facial expression and body language how he really feels about it and it all looked very positive.
He was very pleased.