McLaren F1 team is to become the first official launch its V6 powered machine MP4-29, the event broadcast via online at 12pm GMT.
McLaren, Ferrari and Sauber the only team announce digital launch. Toro Rosso, Red Bull, Mercedes and Caterham set to launch at Jerez ahead first pre-season test.
Force India (VJM07), Williams (FW36) and Marussia (MR03) have all confirmed their attendance at Jerez, but still not announced launch dates.
Lotus is only team skip Jerez test; for the meantime, will not break cover until the later Bahrain meetings.