Jenson Button remains upbeat on McLaren-Honda progress
Jenson Button tells BBC Sport's David Coulthard at the Malaysian Grand Prix that "good progress is being made" to improve performance at McLaren-Honda.
The team have struggled for speed so far this season, with the British driver finishing 11th and last in Australia.
Button and team-mate Fernando Alonso were eliminated in Q1 on Saturday, qualifying in 17th and 18th place on the grid respectively.
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