The tension between the world champion team Red Bull and its engine supplier Renault remains high.
Before the Montreal weekend, the French marque's Remi Taffin announced that, in Canada, the Renault V6 would finally reach "100 per cent" of its potential.
Indeed, Sebastian Vettel had a solid qualifying on Saturday and will line up on the grid behind only the ultra-dominant Mercedes cars.
But when asked about the Renault improvements in Canada, the reigning world champion said: "Well, honestly I don't know where the Renault talk comes from.
"I think as far as we're concerned, we always obviously try to improve but we didn't have any major steps for here."
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