Supersoft tyre a cause for concern

Higher-than-expected track temperatures, caused in part by the new blacker asphalt Interlagos surface, has seen everyone suffer from excessive degradation with the rubber.

With teams needing to use both types of tyres in the race, it could lead to a difficult final stint for teams if the track's rubbering-in does not help matters.

Lewis Hamilton said: "The tyre was tricky for all of us but everyone's in the same boat. From my fuel burn laps my tyres were pretty much destroyed afterwards, so that was only after five laps. It will be interesting to see how everyone goes tomorrow.

"We'll do our best as drivers to look after the tyres but there's a certain risk tomorrow for everyone."

Red Bull Racing's Mark Webber added: "With the tyres, it is going to be interesting how that unfolds, and how people are going to use the tyres to get through the race. It is safe enough but it is just slow."

Teams experienced a similar situation in Montreal this year, fearing the worst for the race, but the rubbering-in of the surface by the final stint on Sunday helped matters considerably. Everyone is hoping it is a similar story in Brazil.

Nico Rosberg said: "Obviously with the rubber down it is going to improve the situation. Everyone is going to put them on at the end so at least it is the same for everyone."

Bridgestone's Hirohide Hamashima said: "The circuit should improve very quickly in the race tomorrow, but tyre management will remain crucial."

Williams technical director Sam Michael did not think that more rubber on the track would overcome all the problems, however.

"It is pretty marginal I think," he said. "But at least everyone looks like they are in the same boat. Remember in Montreal, it was like that and it was pretty much try and stay off them as long as you can.

"The rubbering-in will go towards helping it, but it has to go a long way."