Official: Valtteri Bottas out for the Australian Grand Prix
Suffering from back pain, Valtteri Bottas was not allowed to participate in the 2015 Australian GP.

Qualified sixth on the grid, Valtteri Bottas will not be able to defend his chances for the first Grand Prix of the season due to a back pain. The FIA doctors have not authorized the Finn to start the race.
The FIA stated that all the drivers behind Bottas on the grid will move up one position.