F1 News Today: Christian Horner decision tipped to cause trouble as Mercedes chief reveals 'secret codes'

Christian Horner's bid to acquire the Alpine team has been thwarted by Renault, which still holds a significant stake in the team. This decision could lead to complications for Renault as they navigate the implications of Horner's blocked takeover. Meanwhile, Mercedes' trackside engineering director Andrew Shovlin revealed that the team employs 'secret codes' during radio communications with drivers, a practice not commonly discussed in F1.

In other news, Ferrari's Dino Beganovic is set to exit the Ferrari Driver Academy in 2027, although he will continue with the team as a test and development driver. Additionally, Charles Leclerc is preparing for a potential grid penalty at the upcoming Azerbaijan Grand Prix due to ongoing power unit issues. Lastly, Max Verstappen has expressed interest in competing in renowned endurance races, contingent on the F1 calendar.