Discussion What??? The remote for the car parked next to me unlocked my car! This is not supposed to be possible!

Mugsy

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May 12, 2004
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THE WEIRDEST THING HAPPENED TO ME TODAY!

I took my father out to eat today and when we came out, I used my remote to unlock my car. Seconds later, the woman parked next to me came out did the same, and HER REMOTE LOCKED MY CAR AGAIN! (I didn't try my remote again, so I don't know if MY remote would have re-locked her car.)

The chances of this happening are... well... ZERO (or so they say.)

The other driver had a Hyundai and I have a Kia (owned by Hyundai), so maybe that played a part. Still incredible though. The chances of this happening are supposedly 1 in 10^512th power!!!!!!!!
 
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The chances of this happening are supposedly 1 in 10^512th power!!!!!!!!
I think the chances are far higher, but you'd need to test it some more.

As of what happened;
Key fobs have 2 signals in them. ID signal, so that the car knows the right fob is near them and then the unlock/lock signal. Since your fob was near your car already, car knew that the right key was near. And once it received the unlock/lock signal, it acted accordingly. But the thing is, that unlock/lock signal came from different fob. But since Hyundai has 33.88% stake in Kia, they may have the same unlock/lock signal in use across all their fobs.

So, you need to test it further.
Meet up with someone who also has, either same year Kia or other same year car from Hyundai Motor Company (e.g Genesis, Ioniq, Hyundai).
Then, get in the range of your car, where your car can identify your fob ID (should be ~2m of the car) and then let the other person to use their fob to see, if car unlocks or not.
But i'm pretty sure that when you're outside of the car's detection range (car can't detect the right ID), the 2nd person's key fob will not work.