Q: I recently replaced the original battery in the key fob for my 2010 Kia Sedona. The car does not respond to the fob now. The local battery shop confirms that the fob is working properly. I have ...

And what you can actually do about it. Drop your phone, and your day’s ruined. Lose your car key, and your month might be. In 2025, replacing a modern key fob can cost more than buying a new iPhone.