Lewis Hamilton admitted that “frustration” was behind his “sarcastic” radio messages to his team during Sunday’s Miami Grand Prix.

Lewis Hamilton was not angry with Riccardo Adami during the Miami GP but he wants his race engineer to be more decisive in making crucial calls, and making them quickly. Not for the first time this season,

After some hesitation, Ferrari greenlit the swap. Hamilton’s response dripped with sarcasm: “Have a tea break while you’re at it. Come on!” He later explained it was frustration talking, more biting wit than actual anger or disrespect.