How do you reset a 2012 Jeep Grand Cherokee service engine light push button start?

What is your question?

I have a 2012 Jeep Grand Cherokee Laredo.. my service engine light was on I got the code it said I needed to replace a sensor I did that. Service engine light went off for a couple of days and came back on for a couple of days and went back off again how do I reset the service light?

How long has your 2012 Jeep Grand Cherokee had this problem?

A few days