Lewis Hamilton left Silverstone without making a single comment to the media after testing on Wednesday.
He might have been advised to steer a wide course around the 'Nico Rosberg is not German' controversy.
But there could be another issue he - and Mercedes - were keen to swerve.
The FIA's Charlie Whiting has dropped a bombshell on F1 teams, warning them in writing that systems mimicking illegal active suspension - commonly referred to as 'Fric' - probably are in fact illegal.
The concept has become so widespread that it is believed every single 2014 car features it.
"It came as a surprise. It's not based on any team action," McLaren team boss Eric Boullier told reporters on...
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