Kimi Raikkonen 's deal with Ferrari expires at Sunday . Team principal Maurizio Arrivabene wants Finn to improve performances . Maranello driver has struggled to replicate team-mate Sebastian Vettel .
Kimi Raikkonen 's deal with Ferrari expires at the end of the season . Team principal Maurizio Arrivabene wants Finn to improve performances . Maranello driver has struggled to replicate team-mate Sebastian Vettel .