mine is a vios 2010 2 months pa lang may sour smell na din just yesterday. wala naman ako ginagawang iba sa oto. pero nung una meron nadin unusual foul smell kaso tolerable naman at hindi naman sour smell. neto nalang lumala...
i also notice smoke coming out of aircon after i toggle the aircon vent from "outside air" to recirculate inside while cruising...and nung bago pa nag momoist paminsan minsan yung aircon vents while im using the aircon pag naka todo...