Guys, good day! advise naman po, newbie hir. i own a toyota innova m/t vvti. question ko po regarding sa change oil.3years na po siya pero 9400km palang ang mileage niya kc bihira po magamit and mostly city driving lang.so ung 1000 km pms nya ngchange oil ako sa toyota ng fully synthetic na oil and also nung 5000km pms fully synthetic rin elixir ata ang brand.then sabi sa toyota next change oil ko raw sa 10,000km.kaya ang question ko po di ba every 10k kms ang fully synthetic na oil?kaso medyo matagal na rin ung last change oil ko last feb 2010 p un. masama ba un na ganun katagal ung frequency ng oil change kahit fully synthetic gamitin?kailangan na ba ko magchange oil?kasi diba meron sinasabi sila na whichever comes first?and plan ko po na sa gasoline station nalang muna ko mgpapaoil change pero using fully synthetic rin.Thank you in advance po!