Jenson Button will not be penalised for running with an activated DRS outside the zones in first practice as it was a malfunction.
During Friday's first practice at Monza, Button was spotted outside the second activation zone with his DRS open until after the Parabolica.
The stewards immediately launched an investigation with some concerns being raised that Button could be penalised.
However, as it turns out, the open DRS was the result of a malfunction.
McLaren sporting director Sam Michael told Autosport: "We had a problem with some parts that were fouling on each other, so we had a clash of two different things.
"It is because we don't run this wing or actuator anywhere else...
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