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Ford & Lincoln key fob battery
Ford intelligent access (push-button start) fobs use the large CR2450; flip keys and remote head keys mostly use a CR2032. Lincoln intelligent access fobs use a CR2450; some older and remote head keys use a CR2032.
| Battery | Used in | Size | Capacity |
|---|---|---|---|
| CR2450 | Ford (most common); Lincoln (most common) | 24.5 mm × 5 mm | ≈ 620 mAh |
| CR2032 | Ford (also used); Lincoln (also used) | 20 mm × 3.2 mm | ≈ 225 mAh |
Ford key fobs
Ford intelligent access (push-button start) fobs use the large CR2450; flip keys and remote head keys mostly use a CR2032.
Dead fob? Put the fob in the backup slot (on most models in the centre console, a cup holder or under the armrest), then start as usual.
Lincoln key fobs
Lincoln intelligent access fobs use a CR2450; some older and remote head keys use a CR2032.
Dead fob? Put the fob in the backup slot (on most models in the centre console or a cup holder), then press start.
Not sure which you have? See CR2032 vs CR2450: same look, different size.
To change it: release and pull out the metal key, twist its tip in the seam to split the case, and fit the new cell the same way up. Step-by-step guide.
Key types change between model years; the code on your old battery is final.