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ChatGPT Reveals Bizarre Human Antenna Car Key Hack

2025-10-18Ljeonida Mulabazi4 minutes read
Life Hacks
Car Tech
ChatGPT

Imagine your car's key fob suddenly stops working. You change the battery, but nothing happens. That’s the frustrating situation a Montana woman found herself in, but her strange solution, courtesy of ChatGPT, has gone viral.

A Mysterious Key Fob Failure

TikTok creator Kandi (@bamalama_dingdong) shared a story that resonated with thousands. For weeks, her key fob would mysteriously fail, but only when she was at home. After replacing the battery to no avail, she noticed a strange pattern.

“I’m only having problems with my key fob at my house,” she explained in her video. “It’s not happening when I go to the store. It’s not happening anywhere else.”

A trip to the dealership confirmed the fob itself was working perfectly. This led Kandi to investigate a peculiar possibility: signal interference. She learned that common household devices like Wi-Fi routers, signal boosters, and cell phone jammers operate on radio frequencies. If a neighbor installed a new device, it could potentially be disrupting the specific frequency her key fob uses to communicate with her car, but only within a certain radius—like her driveway.

The Unlikely Solution From ChatGPT

Stumped and seeking answers, Kandi turned to an unusual source for car advice: ChatGPT. The AI proposed a solution that sounded like something out of a science fiction movie.

“I looked on ChatGPT, and it gave me the answer,” she said. “You use your body as an antenna.”

Though it seemed absurd, she decided to try it. “I walked out to my truck today and did what ChatGPT told me,” she recounted. “I held the thing underneath my chin, and I pushed it, and my truck unlocked instantly.” The weird, wacky, but wild trick actually worked.

The Science Behind the Human Antenna Hack

As strange as it sounds, there's real science backing this up. Science educator Kyle Hill previously explored this exact phenomenon, explaining why it works. Key fobs transmit electromagnetic waves, typically around 315 MHz. These waves can be amplified when they pass through materials containing water.

Since the human body is composed mostly of water, it acts as a a “dielectric resonator.” When you hold the key fob to your head, the fluids in your skull help to amplify the signal, effectively turning your body into an antenna that extends the fob's range. Hill even demonstrated that a simple jug of water held near the fob could produce the same effect, proving the principle.

Could Your Neighbors Be Jamming Your Key Fob

Kandi's theory about her neighborhood is also plausible. Key fobs use radio frequencies that other common household gadgets can disrupt. If a neighbor has a powerful Wi-Fi router, a signal booster, or even certain home security systems, the overlapping frequencies can jam the signal between your car and your key fob. This interference is usually unintentional but can explain why a fob might fail in one specific location and work perfectly everywhere else.

A Trick as Old as Key Fobs

Viewers of Kandi's video had a mixed reaction. While many were stunned by the bizarre hack, others commented that this trick has been around for decades.

“I knew this in 1990. I’m surprised the technology hasn’t changed!” one user wrote.

Another pointed out its usefulness in large parking lots: “It also works when you’re too far away from your car... You can do the same thing and it’ll amplify the signal so the key works further away.”

This viral story serves as a fascinating reminder that sometimes the strangest solutions are grounded in solid science, and a little help from AI can uncover tricks that have been hiding in plain sight for years.

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