British rider Lewis Hamilton (McLaren) made two pole-position to start the season in Malaysian Grand Prix-2012 on Saturday.
Button and Schumacher follow Hamilton, while Vettel will be the fifth as Raikkonen changed his gearbox.
Malaysian Grand Prix, Results of the fourth practice:
1. Lewis Hamilton (McLaren) - 1.36.219
2. Jenson Button (McLaren) +0.149
3. Michael Schumacher (Mercedes) +0.172
4. Mark Webber (Red Bull) – 1:36.461
5. Kimi Raikkonen (Lotus) – 1:36.461
6. Sebastian Vettel (Red Bull) – 1:36.634