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The drivers will have to rely on trackside flags instead of in-cockpit warning lights due to a telemetry problem with the FIA's systems Down Under.
According to reports the glitch will also affect DRS with the FIA unable to disable it after it has been enabled.
After the second lap of all grands prix, DRS is enabled by the FIA. However, for this weekend it will be enabled from the start. The drivers, though, still may not use it until lap three. They also may not use it two laps after any Safety Car.
The teams will be notified when DRS may be used and will have to radio that information to their drivers, who have been told that they still need to adhere to the regulations regarding the overtaking aid.
Added to that the drivers will also have to pay attention to the trackside flags as the in-cockpit warning lights won't be used.
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