TV footage on Thursday morning noted that Lewis Hamilton was moving his steering wheel forwards and back along the pits and back straight at the Circuit de Barcelona-Catalunya.
The footage suggested that the toe of the front tyres reacted in accordance to the steering wheel moving, creating a potential advantage in reducing drag and keeping tyres in their optimum window.
Allison confirmed on Thursday lunchtime that Mercedes had checked with the FIA that its system was permitted within the regulations.
“No not really, this isn’t news to the FIA,” Allison said on legality worries.
“It’s something we’ve been talking to them for some time. The rules are pretty clear about what’s permitted on steering systems and we’re pretty confident that it matches those requirements.
“It just introduces an extra dimension for the steering, for the driver, which we hope will be useful during the year.
“But precisely how we use it and why we use it, that’s something we will keep to ourselves.”
“Perhaps one of the things that’s not greatly appreciated is that each of the cars we bring to the track are festooned with innovation,” he said.
“It’s just not as obvious with a discrete, standalone system like this when you can see it with your own eyes.
“One of the things that gives me massive pride from working with Mercedes is to give me part of a team that doesn’t just turned the sausage handle each year, but is working out how we can work fast enough to bring these innovations to the track and make them stick.