What is the battery model for the Mondeo car key?

[JasmineFitz]

The battery model for the Mondeo key is CR2032. CR2032 is a lithium manganese dioxide battery, named according to the IEC standard. The breakdown is as follows: C - Indicates a chemical battery system with lithium metal as the negative electrode and manganese dioxide as the positive electrode. R - Indicates the battery shape is cylindrical; if it were square, F would be used instead. 20 - Indicates the battery diameter is 20mm. 32 - Represents the battery height of 3.2mm. The nominal voltage is 3.0V, the endpoint voltage is 2.0V, and the rated capacity ranges from 200-240mAh, varying by manufacturer. The shelf life of a CR2032 is typically 5 years. If the manufacturer's production standards or quality control are poor, the lifespan can be significantly shorter. Domestic first-tier brands can generally guarantee this lifespan. Under ideal conditions (sealed, room temperature, no moisture, etc.), the lifespan can extend further to 8 or even 10 years. Generally, replacing a car key battery involves just three steps: Step 1: Remove the mechanical key. Press the latch on the side of the smart key to release the mechanical key. Step 2: Open the battery cover. After removing the mechanical key, you'll see a deep slot and a shallow slot at the top of the smart key. The deep slot is for the keyhole, while the shallow slot is used to open the battery cover. Insert the mechanical key into the shallow slot and pry it open to access the coin battery. Gently remove the old battery. Step 3: Replace the battery. Insert the new battery, then reattach the battery cover and mechanical key to complete the replacement.

[ODante]

As a long-term Mondeo owner, I know this issue well! My 2018 model's key fob has always used CR2032 coin batteries - those silver 3V batteries are available everywhere. Just ask for this model at supermarkets or auto parts stores, but be careful not to accidentally get 2025 batteries as they have different thickness. When replacing, use a coin to pry open the key fob casing. The old battery has polarity markings - align the '+' side when inserting the new one. These typically last about two years. If you notice reduced remote range or need multiple button presses for response, it's probably time for replacement. I recommend stocking up on two spare batteries during sales - being caught with a dead battery can really cause inconvenience.

[DiDiana]

I just replaced the battery for my Mondeo's key fob recently, and it was super easy! Most mainstream models use CR2032 coin batteries, which are 20mm in diameter. When opening the key fob, avoid scratching the casing with metal tools—use your fingernail or a plastic card to pry it open from the groove on the side. Here's the key point: the battery compartment has polarity markings (+/-), just place the new battery with the shiny side facing up, and it'll snap into place with a click. After replacement, test all buttons, including the trunk release. Pro tip: don’t leave your spare key sitting in a drawer—press the buttons every six months to prevent contact oxidation, ensuring it won’t fail you when you need it most.

[SanDaisy]

Tested three Mondeo keys, post-2013 models generally use CR2032 batteries. When purchasing, note that brands like Panasonic/Toshiba offer more stable quality—some off-brand batteries may seem cheaper but drain in three months. DIY replacement costs under 10 yuan, while dealerships may charge around 100. Out of power with no spare? The key's side has a mechanical keyhole for entry, but remember: starting requires the proximity key—press the key against the push-start button for emergency ignition.