Replace the battery. If the button cell battery in the key fob of S-Max is replaced incorrectly or a battery is unsuitable, it can damage the vehicle key. Only replace drained batteries with new batteries in the same voltage, size, and specification. Make sure the battery is facing in the right direction when inserting it. Can I Add Another Battery Pack to a 2014 C-Max. I just bought a used 2014 ford C-Max Energi. It has 192,000 k and I believe the batteries last for around 160,000k. As I just got the car yesterday, I haven't had enough time to evaluate it, but this morning I got into the car and instead of the range meter reading 23km, as my last C-Max read, it 217 subscribers. Videos. About. 2013 Ford C-Max key fob dead battery, how to start the car. The battery is great, but changing the battery in a hybrid is no easy task. I would not have been able to do it without an immature YouTube video showing me how to take apart the back of my car first. Old Battery Removed: Panasonic CR2032 3V: Turn over the fob and let the old battery drop out, or pull it out with your fingernail. Insert New CR 2032 Battery: Replace Rubber Cover: Insert a new # CR2032 battery in to the slot with the "+" positive side facing up towards you. Re-insert the rubber gasket cover in to the back cover of the key fob. A quick DIY video tutorial on how to change the remote fob smart key battery for a 2013 - 2016 Ford Fusion. The remote key fob battery that you will need to Tela Discussion starter. 64 posts · Joined 2014. #1 · Dec 16, 2014. 2013 Escape Titanium 2.0 Ecoboost only 9,500 miles. Anyone here run into this problem ? When I turn "ON accessory mode on pushbutton, it will automatically shut off after 2 minutes time . The display says "shutting system down to save battery life ". Order A Replacement Key Fob. Replacement Key Fobs and Keyless Entry Remotes. Find Your Battery Size Here. See how to replace the battery in your 2013 - 2019 #Ford #CMAX key fob Posted February 4, 2015. Ford S-max Titanium 2012. My S-max is told me I needed to replace the key in my keyless start fob. So I have replaced the battery but the car still tells me it needs a new battery. I have used the same make and size of battery that was in the key fob. I was wondering if anyone else has this problem and what the solution is. Shop for the best Battery & Accessories for your 2013 Ford C-Max, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. KsE4.