Ford fusion owners have reported 22 problems related to battery dead under the electrical system category.
Ford fusion key battery dead.
The 2017 ford fusion has 32 problems reported for dead battery.
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How to change the 2017 2018 2019 ford fusion smart fob key battery.
Average failure mileage is 5 500 miles.
The larger cr2450 coin battery is a bit more expensive than smaller cr batteries but this one is simple to change.
This is necessary if the car battery has died and you need to manually open the car in order to access the car battery in your ford.
These instructions apply to multiple ford models such as fiesta mustang fusion edge and f150.
The modern large smart fob for the fusion requires a cr2450 battery to operate it s features.