Quote:
Originally Posted by widebody911
By "lifetime" they mean lifetime of the warranty. By extending the service intervals, they can claim a lower cost-of-ownership.
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^^^^This^^^^^
But - if you read the owners manual carefully, vehicles undergoing " Extreme" conditions, the 'schedule' is advanced considerably. IE: Those fluids pegged at 100K - or lifetime are under average driving conditions. Extreme conditions may dictate half that.
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Really more to the point, I've never seen 'damage' done when performing services ahead, sometimes waaaay ahead of what the manufacturer claims is safe.