article_snippet.sent: Sergio Perez fears 'a very painful year' lies ahead if Force India roll out of their upgraded car this season proves a dud.
article_snippet.sent: Sergio Perez walks through the paddock in Shanghai ahead of the Austrian Grand Prix in June .
article_snippet.sent: Sergio Perez locks Sergio Perez brakes on Sergio Perez way to 10th place finish in the Australian Grand Prix in March .
article_snippet.sent: If performance is lacking, however, Sergio Perez fears the worst. '
article_snippet.sent: Sergio Perez fears for Force India's pace and was hounded by the equally troubled McLaren duo of Fernando Alonso and Jenson Button in the Malaysia Grand Prix near the back of the grid .
article_snippet.sent: Sergio Perez finished 13th at Sepang and admits Force India's are relying on Force India's June upgrade to come good . '
article_snippet.sent: It's really hard,' Sergio Perez added. '
highlights_snippet.sent: Sergio Perez admits Force India are relying on June upgrade to improve .
  