2018 Grand Cherokee Limited 3.6L, Uconnect 8.4N unit (Panasonic). My Nav Screen show a position well over 100 miles from the actual position. The Nav icon moves when I drive and appears to have the correct direction, just the location is way off. I have searched and not been able to find a way to reset the Nav. I have tried the following: 1. John47. 791 posts · Joined 2011. #9 · Mar 10, 2012. Unfortunately those of us with the CRD and QL don't have any available space to add a second battery. Under the bonnet (hood) and under the seat - no room. The module is made so it will just slide in the back, bolt down and connect up when we are going away. Line: SSB. 4.4. (99) Check Vehicle Fit. Battery Difficult To Install Battery, Professional Installation Recommended; CCA: 200; AGM; Start/Stop Auxiliary; Vent To Outside; AGM Battery Required; Battery Located Under Passenger Front Seat. 1 Year Limited Warranty. Battery Type: AGM. Height (in): 5-3/4 Inch. oilspot. 514 posts · Joined 2014. #3 · Sep 7, 2021. The AUX and Main batteries are AGM - and yes ESS is the first indicator of a weak AUX battery. They seem to fail first and then bring the charge down in the main battery shortly thereafter. Perhaps because the adaptive charging system is trying to charge the AUX and overcharges the main? 2020 Jeep Grand Cherokee Key Fob Battery Replacement: This is a simple demonstration of how to replace the CR2032 battery in the key fob for a 2020 Jeep Gra Step 3: Remove One Battery Cable. Once you lift the panel from the floor, the next step is to remove one of the cables. Start with the negative battery cable; you will need a wrench to loosen the fastener on it. You may already have a handy wrench for this purpose, so pull it out and use it at this point. 0:00 / 2:15 how to replace battery on 2012 jeep grand cherokee - battery location the markitos 2.69K subscribers Subscribe Subscribed 8 Share 1K views 5 months ago more more 30625 posts · Joined 2002. #5 · Apr 11, 2012. The fusible link is not very likely cause of your symptoms. A fusible link is like an in-line fuse. They usually looks like a thinner section of wire spliced into a normal section of wire. 1997-2001 there is a green one on the front of the Power Distribution Center (PDC). pCiyzC.