You can do what the dealer does, but if you flinch or lose power, you’ll be calling a tow truck. It’s high-risk, high-reward DIY for the brave.

It started with a small annoyance. The touchscreen in his 2016 Ford F-150 took a full ten seconds to boot up. Then, the Bluetooth started dropping calls. Finally, the "OK" button for the seat heater just… stopped working.

He found a guide on the FORScan forum. Downloaded the right firmware files. Held his breath.