Then locate the small notch on the top right corner of the key fob close to the metal ignition key. Insert the small flathead screwdriver in to the notch and gently pry apart the halves of the key fob. Pry Apart Key Fob: Remove Rubber Cover: Separate the rubber buttons piece from the back cover of the fob to access the battery socket. 11 posts · Joined 2016. #1 · Apr 15, 2023. 2017 Grand Cherokee Summit frequently displays the "Key Fob Not Detected" message when I push the engine start button. Sometimes I can get the car to start with the push button by holding the key fob close to the instrument cluster, but other times even that does not work. Push In New Battery: Line Up Two Halves: Snap Together Key Fob: Push a new number CR2032 coin cell battery in to the socket with the "+" positive side facing down and the "-" negative side facing up towards you. Line up the rear cover and the front of the key fob together. Gently pop the two halves of the key fob back together. Push In Ignition The push button start of the Jeep Grand Cherokee can malfunction due to inadequate fuel levels or a faulty key fob battery. If the battery in the Cherokee's key fob is dead or weak, the push button start will be disabled. In particular, TSB 08-120-15, released on December 05, 2015, calls for the replacement of wiring harnesses in 2014-2016 Jeep Cherokee models. The faulty harnesses can cause Save Big Money On 2012 Jeep Grand Cherokee Replacement Key Fobs! | Free Shipping | Free Programming Instructions | Unmatched Support: 402-964-2720 Key Fob Battery What kind of battery does a 2016 Jeep Grand Cherokee key fob require? Keyless entry remote of Jeep Grand Cherokee use 1xCR2032 batteries. Most CR2032 batteries are under $4 depending on the size packaging, brand and type you buy. Take your old battery to the store, with you to find a proper replacement. Take your car to AutoZone. They'll scan the code and show you what it is. Exactly. AutoZone will scan it and show you the code and what it means. Haha that’s the point. They’ll help. They’re taking advantage of you. Ok but for real, a key fob battery isn't even 10 bucks. Change it and see if the problem goes away. The battery in my car's key fob is dead. It is a CR 2016 and physically looks identical to the CR 2032 (motherboard battery), of which I have a couple spares sitting around. According to the specs I've been able to find online, the CR 2016 is 3V 80 mAH and the CR 2032 is 3V 220 mAH, but I must confess to not having the slightest idea what the Step 5. After turning the key to the ‘on’ position, pressing the lock button, and turning the key back to the ‘off’ position 3 times, you should hear the locking sound. This means that your key fob has been programmed and you can start using it again. Shop wholesale-priced OEM Jeep Grand Cherokee Car Keys at MoparPartsGiant.com. All fit 1993-2021 Jeep Grand Cherokee and more. Contact Us : Live Chat or 1-888-511-3595 2w8e.