Mark Webber declared his intentions for the weekend very early on with a 1m25.142s lap on Friday morning that put him a second clear of even his Red Bull team-mate Sebastian Vettel.
Webber was quickest on Friday © LAT
They were one-two in the opening session, with Nico Rosberg's Mercedes next up, Fernando Alonso fourth for Ferrari, and Sergio Perez's Sauber an eye-catching fifth.
In a rather uneventful session, little else happened except Pastor Maldonado's Williams slewing off into the Turn 12 gravel and beaching itself just before the wall.
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