Fernando Alonso paid an unexpected visit to McLaren ’ s factory in Woking on Monday as he prepares for his potential return in the Malaysian Grand Prix a week on Sunday . The double world champion , who was concussed in an unexplained testing accident in Barcelona last month , spoke to senior engineers during his trip . ‘ He seemed in good spirits and is confident he can race in Kuala Lumpur , ’ said a source within the factory . Alonso also talked through the data from the accident . Fernando Alonso was pictured with Eric Boullier at McLaren 's headquarters in Woking on Tuesday . Fernando Alonso waves as he leaves hospital in Barcelona at the end of last month . Alonso and girlfriend Lara Alvarez are seen arriving in Oviedo from Barcelona hospital in February . Alonso , seen on a stretcher in a helicopter , suffered concussion from a pre-season crash in February . The 33-year-old will return to the factory – officially called the McLaren Technology Centre – this week to drive the simulator , probably on Thursday . A spokesman for the team confirmed to Sportsmail that he would spend a day on the high-tech machine , which would be set to replicate the Sepang circuit in Malaysia . It is the usual procedure for their drivers to go in the simulator before any race . However , Alonso must be cleared by the FIA ’ s doctors before he can get in the car again . A date for those tests has yet to be set , though they could take place in the paddock a week on Thursday . McLaren driver Fernando Alonso posted this picture showing the results of his gym work out regime . The 2005 and 2006 World Champion is all smiles with McLaren chairman Ron Dennis last December . The Spaniard spent three days in hospital after the accident and returned for further scans , but was not allowed to take part in the opening race of the season in Australia last Sunday . His place was taken by Kevin Magnussen , whose car gave up on him before the lights went out . Alonso , who is paid £27million a year , has returned to the gym to get ready for his return . Driving the simulator will allow him to restore his confidence after the discombobulating crash . His return would boost McLaren , who were last of the finishers at the weekend through Jenson Button – an even worse team display than they were expecting .
Fernando Spaniard missed first race of 2015 on orders of FIA doctors . The 33-year-old Alonso was involved in a crash in pre-season testing . Spaniard will spend time in the McLaren simulator at the Woking factory . Former world champion remains confident he will return for Malaysian GP . CLICK HERE for all the latest F1 news .