why guys im sry to be posting so meny topics at the same time. whell my sts is a 1996 and has 48000 km on it. i was wondering if i shood change the fule filter yet cus its the orignal i beleve. i wat told i shood by my auto teacher so im gesing i shood but i was mostly wundering if thayrs anything that i need 2 do when i do so i know how and whair it is but im just not shur if i would ned 2 un hook the batery or anything like this???? thanx.