2013 Jeep Key Battery. The batteries are made to give a huge push of power and voltage for a brief time period. Here is the FOB for my Jeep.
To replace the battery, follow these steps: Insert a small flathead screwdriver into the seam near the keyring mount. I think it is all part of the SKREEM module (Sentry Key and Remote Entry Module or some such thing). Check here for special coupons and promotions.
If it is, I believe it is a little more involved and costly to replace.
Also when opening the key case, be careful to not damage the key.
Programming instructions are not included with the purchase. Battery information: Jeep has a few key fobs, depends on the year your car was manufactured. The contact stated upon starting her vehicle, her vehicle would not start; after the battery was replaced, the failure continued without warning.