For Jeep (Wrangler, Patriot, Commander, Liberty, Grand Cherokee) and many (most?) Chrysler Group vehicles after 2008, here’s the simple instructions to reset the alert “Oil Change Required”: according to wkjeeps.com/wk_oil_indicator.htm — How to reset a service indicator The oil change indicator can be reset using the following steps: 1. Turn the ignition key to ON but do…