Grand Cherokee Oil Life Monitor
I have a 2012 Jeep Grand Cherokee that I have owned for just over a year. I have used full synthetic oil since I purchased it. The mileage to date is 21,000 since purchase. The oil life monitor has...
Forum Discussion
It does not know the type of oil. The oil life is determined by how the engine is used. Towing, temperature extremes, and hours are factors.
