i've been told by a good mechanic that I trust that how often your oil needs to be changed is dependent on both the type of driving and the conditions driven in. Highway vs. city and clean vs dusty/muddy -- the latter requiring more frequent changes. Checking the oil periodically is just a good habit to have. when i learned to drive it was automatic to just check the oil at each fill-up -- we've kind of gotten away from that with the increase in self-service and the technology put into our vehicles, but maybe not such bad advice...
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segue17
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