The dreaded A with exclamation symbol came up again for the 2nd time on my 2018 Jeep Wrangler. The first time, under warranty, dealer replaced the small battery for the stop start. If not replaced it will drain the main battery. The 2nd time the small battery died, I was told that I should leave the stop start on every now and then. There are remote terminals located under the hood toassist in jump starting. Note: The remote battery posts are viewed by standing on the right side of the vehicle looking over the fender. The remote battery posts may be covered with protective caps. Lift up on the cap to gain access to the positive battery post. Do not jump off fuses. 2021 Jeep Grand Cherokee Car Battery. Buy Online. Pick Up In-Store. Brand. Positive Terminal Location: Top Right FrontNegative Terminal Location: 2021 Jeep Grand Cherokee L batteries frequently last between 3-5 years, but this is variable depending on driving habits, weather conditions, the type of battery, and more. You can prolong the life of your Grand Cherokee L battery by: Starting your 2021 Jeep Grand Cherokee L regularly is important. Don't let your battery go unused for long vW7BQfn.