Fernando Alonso says Australian GP will show true quality of 2012 teams . The Ferrari driver qualified fourth for Malaysian GP , but retired after just 10 laps . Reigning champion Fernando Alonso warns the track is more difficult than first appears . Ferrari 's Fernando Alonso says drivers and teams need to be aware of changeable weather .
Michael Schumacher says Malaysian GP will show true quality of 2012 teams . The Mercedes driver qualified fourth for Australian GP , but retired after just 10 laps . Reigning champion Sebastian Vettel warns the track is more difficult than first appears . Ferrari 's Fernando Alonso says drivers and teams need to be aware of changeable weather .