In the weeks building up to the Turkish Grand Prix last weekend, several drivers had issued safety warnings in regards to the use of the DRS on the tight, twisty circuit of Monte Carlo. Given that there aren't any major overtaking zones on the streets of the Principality, and passing another driver is close to impossible, using the flexible rear wing could lead to increased speed while trailing another competitor and difficulty in controlling the car under breaking.
However, while the majority of the drivers seemed to agree on banning the device, not all teams shared this view, as some have actually argued that they'll have to redesign their rear wing in case the DRS would not be allowed. Given the lack of 100% vision from the teams, the FIA had no other choice but to allow the use of the moveable rear wing.
The decision has apparently been communicated by Whiting to all the team principals, via an official letter, as reported by the Spanish news agency EFE.
The FIA is yet to make public the exact zone where the adjustable rear wing could be activated on the Monaco race track, but it is widely believed that the only place where that can happen will be in the tunnel. The activation zone should start right after the tunnel entrance, while the detection point could be set for the Portier corner, Turn 8 of the Monegasque track.
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