Rivals mystified by Vettel dominance

Sebastian Vettel on Saturday kicked off his title defence with a dominant run to pole position in Melbourne.

"What did he do, a (1 minute) 23-5? Ah, yes," McLaren's Jenson Button, fourth on the grid and 1.2 seconds slower, answered when asked if the German's performance is daunting given that his KERS unit failed during Q3.