1: Red Bull sets deadline for Perez as F1 driver replacement.

2: Sergio Perez gears up to replace F1 driver at Red Bull.

3: Perez ready to step in for Red Bull's F1 team.

4: Red Bull's deadline looms for Perez as F1 replacement.

5: Sergio Perez prepared to fill F1 driver role at Red Bull.

6: Perez poised to join Red Bull as F1 driver replacement.

7: Red Bull's F1 replacement deadline approaches for Perez.

8: Sergio Perez gets set to replace F1 driver for Red Bull.

9: Red Bull eyes Sergio Perez as potential F1 driver replacement.