What the period of coverage is
The Mobil 1 Extended Performance limited warranty is valid for 15,000 miles or your vehicle’s OEM recommended oil change interval, whichever is longer.
Additional requirements for all Mobil 1 Extended Performance products include:
1.Oils must be put in service not later than five (5) years from the date of purchase; and
2.an oil change must be completed every twelve (12) months