haiya...i'm very upset with petronas syntium...i just get my flx to do basic service...before this, i go to proton service centre at jelutong penang, they use mobil engine oil...for 1 fuel bar, i can get 70+- km...but after i sevice at sg pinang service center, 1 bar can only get 60+- km..they use petronas syntium engine oil...it more expensive than mobil one