China Friday quotes: Toyota

"Monza was a disappointing weekend for us but apart from that we have shown consistent improvements throughout the season. We have some updates on the car here and if we can return to the level of performance we had in Turkey I am optimistic for the last three races."

Jarno Trulli - 18th: "There's not much to say about today's session as I only had time to complete one long run. The track was quite dirty so we had a lot of graining, but that should improve as the weekend goes on. We still have a lot of work to do on set-up tomorrow morning but I remain pretty confident because our car has improved a lot over the course of the season.

"We will now aim to achieve our best results of the year over these last few races but we still have to see how competitive we can be here. If our pace is consistent then we can hope for a good race on Sunday."

Dieter Gass - Chief Engineer Race and Test: "Our weather forecast had predicted rain for the afternoon session, so that is why we brought forward our usual programme and went out at the very start of the hour. As it turned out the track conditions were acceptable and despite the limited running time we collected some valuable information for the tyre choice.

"We know that this is one of the circuits with the highest grip evolution as the weekend goes on and you could already see the track getting quicker this morning. In the dirty conditions we saw a lot of graining on all the cars, but the track is not yet in optimum condition and that should reduce once the circuit rubbers in.

"We have a brand new aerodynamics package here in Shanghai, featuring a new front wing, a new engine cover and a new floor, so we will look to take advantage of that over the next two days."