New Delhi, Oct. 8 -- Ferrari fans who opened the team's social media account on Thursday did not get the usual Maranello polish. For about two hours, Scuderia Ferrari HP's channels looked as if someone had slipped past the social team. The "hackers" were not outsiders. They were Charles Leclerc and Lewis Hamilton, who turned a media day in Singapore into a playful takeover.

The pair changed the profile picture and pushed posts that had skipped the normal sign-off. What first looked like a breach was a garage joke, timed for the Singapore Grand Prix weekend.

Lewis Hamilton walked followers through the garage and the hospitality area. Charles Leclerc dropped a selfie and asked fans whether they liked his hair. The two interrupted team mee...