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 ...

Q: I have a 2009 Pontiac Vibe. I recently replaced the battery in the key fob. However, the key fob is not working yet because it needs to be reprogrammed. I downloaded instructions for reprogramming ...

OK silly question. What should one do if all of a sudden the fob of the car doesn't work in order to disable a car's alarm. Then this person tries the regular key to open the door and the car goes ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 5 minutes ...

A key fob, also called a keyless entry remote or keyless transmitter, controls your vehicle’s locks, trunk and alarm from a distance. Every key fob must be programmed to connect with a vehicle before ...

This is the most exciting car hack we’ve seen in, well, forever. Watch closely as Canadian Ricky Tang walks away from his car, attempts to lock it from a distance, fails, and then uses his own head as ...

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.