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I too am following the oil life indicator as per the dealer that sold me the car. I have built many engines over the years and have seen what oil is capable of doingto an engine if it is not maintained. That is why, if you are going to follow the indicator I would use either Mobile 1 15000 mile oil or use Amsoil. Both of these oils guarantee the oil for extended oil drain intervals. Mobile 15,000 miles and Amsoil 12,000 unless you use there By-pass filter and then I believe it puts it to 25,000 miles. I actually haven't checked on mobile 1's guarantee but Amsoil is a written guarantee and if anything goes wrong with your engine due to oil they will fix or replace the engine at there discression.