Kimi Raikkonen hints at Lotus walkout . The simmering row between departing Kimi Raikkonen and his Lotus team came to a boil Friday as the Finn threatened to boycott the final two races of the F1 season because he has not been paid . Raikkonen unhappy about not being paid yet for 2013 season . Score: 6 Sebastian Vettel fastest in practice at Yas Marinas .
Kimi Raikkonen hints at Lotus walkout . Raikkonen unhappy about not being paid yet for 2013 season . Score: 6 Sebastian Vettel fastest in practice at Yas Marinas .