Vettel was investigated after the race for an incident at the first safety - car re-start in which he slowed unexpectedly .
Button nearly hit Vettel from behind , but after a lengthy deliberation the stewards decided to take no action .
Vettel was investigated after the race for an incident at the first safety - car re-start in which he slowed unexpectedly and Button nearly hit him from behind , but after a lengthy deliberation the stewards decided to take no action .