changed?Shell,Caltex etc how much it runs? I have toyota Corolla 2009. i am always confused about the OIL CHANGE, some of friends says that if you are using good quality oil like from Shell, Caltex etc, you must change it after 2000 to 2500 KMs, while some advise to change after 4000 or more. I am confused,
Do you have authentic information? Please share it
Do you have authentic information? Please share it