Jenson Button: "I still can’t comment on where the car will be when everything is running smoothly, as I haven’t had the chance to run it properly without meeting problems."
During Test Day 1 at Barcelona, McLaren discover a faulty component that must be re-designed.
Fernando Alonso says the McLaren-Honda partnership has given him a new motivation boost after so many years in Formula One.
McLaren are continuing to put a brave face on its troubled start to the 2015 pre-season.
No fireworks from new engine so far, as team logs laps with brand new MP4-30 contender.