It is also recommended to close all doors and the rear hatch to prevent any interference during the synchronization sequence. Start by inserting the original key into the ignition cylinder and turning it to the "On" position, which is the position just before the engine starts.
DIY Kia Remote Key Sync: Step-by-Step Sync Guide
Syncing the New Fob With the key remaining in the "On" position, quickly press the "Unlock" button on the new key fob. Immediately after pressing "Unlock," press the "Panic" or "Alarm" button on the same fob.
Leave the key in this position for exactly six seconds, then turn it back to the "Off" position. Another common issue is failing to press the second set of buttons quickly enough after turning the ignition on.
DIY Kia Remote Key Sync Step-by-Step
Repeat this cycle a total of three times. If the doors respond correctly, the programming was successful.
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