McLaren boss Zak Brown warned on Friday of "massive consequences" if champions Red Bull were found to have breached Formula One rules on adjusting car set-ups during closed 'parc ferme' conditions. Red Bull,

AUSTIN, Texas — McLaren Formula One boss Zak Brown wants the FIA to conduct a “very thorough investigation” to ensure Red Bull hasn’t breached parc fermé rules with its car in 2024, warning there should be “massive consequences” if it has.

Red Bull allegedly has a device in the RB20 that allows it to alter the clearance of its front bib from inside the cockpit.

Formula One champions Red Bull have made changes to their car after discussions with the governing FIA, the team said on Thursday. The news came after the FIA issued a statement in response to concern from some teams about a possible exploitation of rules restricting work on a car between the start of qualifying and the race.

McLaren's Zak Brown has said aspects of Red Bull's explanation of its bib ride height adjustment device "don't stack

The FIA has been asked to dig deeper to be sure that Red Bull did not break F1’s parc ferme rules

Red Bull Racing reportedly made sure it could not use the much-discussed 'trick' on the floor of the RB20 even before the Singapore Grand Prix following a warning from the FIA. The Austrian Formula 1 team was reportedly reminded after qualifying that its use was not allowed under the parc fermé rules.

Lando Norris has subtly taken aim at Red Bull amid escalating tensions over claims of rule-breaking in Formula 1. With Red Bull facing scrutiny at the 2024 United States Grand Prix for allegedly manipulating their car’s ride height,