Originally Posted by mouserider
The system is set at the factory for 7,500 miles or a timed period or combination of both. UK settings might vary due to EU environmental rules.
Most Americans have a habit of just changing their oil at 3,000 mile intervals, not really necessary with synthetics.
My UK Owners Manual states 10,000 miles or adjusted according to driving conditions. My last car was every 20,000
Dont know about U.S. enviromental laws but id hazard a guess that EU laws are a lot stricter.