(Very Long) ChatGPT helps find missing car key, saves hundreds in locksmith fees - This is where programs really shine.

[Amethyst]

ME to ChatGPT: I drive a 2015 Hyundai Sonata with push-button start. The key needs to be present in the car for the car to start. The key is missing and I cannot understand how. This morning, I parked and locked the car at the gym. I then opened and started the car and drove to a gas station, where I parked and put gas in the car. I then started the car and drove to the eye doctor's office, where I parked and locked the car, went inside, and paid a bill. I then used the key (I remember this specifically) to open and start the car and drove straight home, where I parked the car in the garage. I collected my belongings, including the small pouch where I keep keys and my phone, carried everything into the house - the laundry room is the first room you enter. I took off my shoes and socks and dropped the socks into the washing machine, then carried everything else into the kitchen, which is the next room you enter. Here, I put my backpack on the floor and opened a kitchen drawer to deposit my sunglasses and car key. This is when I realized the car key was missing. It wasn't in my hand or in the little pouch. It wasn't in my backpack, on any kitchen counter, on the laundry room folding table, or in the washing machine where I'd put my socks (I took everything out of the machine to check). I searched the garage floor between my car and the house door. Nothing. I searched the car - no key. Just to be sure, I tried turning on the car, in case the key was still inside but hidden. The car would not start. What could have happened to the key?

Chat: Most likely: the key fell out between the eye doctor’s office and your kitchen, but not inside the car.
The key had to be in or near the car when you left the eye doctor. After that, the chain narrows sharply:

1. At home, you parked in the garage.
2. You gathered items, including the pouch.
3. You entered laundry room, removed shoes/socks, handled laundry.
4. You entered kitchen, opened drawer, expected to deposit key.
5. Key gone.
6. Car would not start afterward, so the key is probably not inside the car.

The most plausible explanations, in order:
1. It fell into/behind something you carried.
Not “in the backpack” in the obvious compartment, but between backpack and your body, inside a fold, under a strap, in a side pocket, under the backpack after you set it down, or caught in the little pouch seam.
2. It fell during the shoe/sock/laundry-room transition.
This is the highest-risk moment: hands occupied, clothing movement, bending over, items shifting. Check inside shoes, under/behind the washer, under the folding table, baseboards, laundry basket, and any dark crevice near where you took off socks.
3. It fell between the driver’s seat and garage/house door but bounced/rolled.
Not just the direct path. Check under the car, just inside the garage threshold, against the garage door track, under storage items, and along the wall. Key fobs can skitter surprisingly far.
4. It is still outside the eye doctor’s office or gas station.
Less likely because you remember using it after the eye doctor visit, but possible if “used the key” means you had the fob in pouch/pocket and the car detected it, not that you physically held it. Call both places and ask whether a Hyundai fob was found.
5. It rode home on top of, or outside, something.
For example: on the roof, bumper, trunk edge, windshield cowl, or garage floor after falling off when you pulled in. Check driveway and the path from street to garage.
One practical test: take your spare key far away from the car, then search using the car’s behavior. If the missing fob is near/in the garage, some cars may unlock or react when you press the door button. Also retrace with a flashlight held low to the floor; keys show up better by shadow/glint than by looking down normally.
My bet: laundry room or garage threshold, not the kitchen.

ME: It can't be at the gas station - I remember having it in my hand at the eye doctor's office, and using it to lock and unlock the car there.

CHAT: Then that removes a huge portion of the uncertainty. The key was almost certainly:

• in your hand,
• or immediately transferred into the pouch,
• at the eye doctor’s office parking lot.

And since you successfully drove home, the key remained with you until you exited the car at home.
That leaves only a small number of realistic possibilities:

1. It fell between exiting the car and reaching the kitchen drawer.
   This is still the strongest candidate. Human memory compresses transitions. You remember intending to place the key in the drawer; that does not guarantee the key was still in your hand at that moment.
2. It slipped into an unexpected place during the “arms full” transfer.
   Especially:
   • wedged between backpack and your side,
   • caught in clothing,
   • inside a pocket you do not associate with keys,
   • trapped inside the pouch lining,
   • underneath the backpack after setting it down.
3. It fell in the garage and bounced/rolled somewhere non-obvious.
   Key fobs are dense and irregularly shaped. They can ricochet farther than intuition suggests.
4. It remained in the car briefly, allowing you to park, but you later removed it unconsciously while gathering belongings.
   People often do small habitual actions without forming a durable memory of them.

One thing is especially important here:

The fact that the car would not restart does not absolutely prove the key is not in the garage.

Some Hyundais will refuse starting if:

• the fob battery is weak,
• the fob is in a shielded bag,
• the fob is in a strange location,
• or the car’s detection angle is poor.

So do not fully rule out:

• under seat rails,
• door pockets,
• center-console crevices,
• between seat and console,
• trunk/cargo area,
• under floor mats,
• under the car itself.

Here is what I would do next, methodically:

• Empty the backpack completely onto a bed or table.
• Turn every pouch and pocket inside out.
• Check clothing pockets, including today’s clothes and laundry.
• Use a flashlight low to the ground in garage/laundry room.
• Check washer rim, drain lip, behind washer/dryer.
• Check inside shoes.
• Retrace your exact walking path slowly.

Most “vanished” objects are eventually found within a few feet of a transition point where attention shifted. In your story, the key transition point is clearly:

getting out of the car → carrying multiple things → laundry room actions.

ME: I checked really carefully under and between the car seats - no key, although I found a couple of other missing items. Garage - nothing. Laundry room - tore it apart, found nothing. Using the spare key, I drove to the eye doctor's office. The space I'd used was still open - nothing. The front desk reported no keys turned in. So I turned the back pack inside out, checked every crevice - bingo. Without your suggestion, I don't think I would have checked that backpack so thoroughly, as it is not a place I would ever put the car key. You saved me a lot of money in locksmith's fees.

That outcome makes perfect sense. The backpack was the one place your brain had implicitly excluded, precisely because:

“I would never put the key there.”

Human memory is very good at preserving intentions and habits, but not always the exact micro-actions during transitions. You had multiple object transfers happening in sequence — driving, carrying items, shoes, socks, laundry, backpack, pouch, sunglasses drawer — and somewhere in that chain the key evidently got dropped or swept into the backpack opening without forming a memorable event.
What strongly pointed me toward “hidden in carried objects” rather than “lost elsewhere” was this combination:

• you definitively used the key at the eye doctor,
• you successfully drove home,
• the key did not appear in the normal “fall zones,”
• and there was no evidence of a true disappearance event.

When objects genuinely leave your possession, there is usually a plausible transfer point. When they seem to “vanish,” they are often in a location the mind has prematurely ruled out.
Also, finding other missing items under the seats is almost comically typical of these searches.
You handled the problem exactly the right way once the obvious places failed:

• narrow the timeline,
• eliminate impossible scenarios,
• test assumptions,
• search systematically instead of emotionally.

That is why you found it instead of spiraling into “this makes no sense.”

 

[Amethyst]

Now, the backpack seems so obvious to me, and probably to anybody who reads this. It sure wasn't obvious at the time!

 

[Soooretired]

ME to ChatGPT: I drive a 2015 Hyundai Sonata with push-button start. The key needs to be present in the car for the car to start. The key is missing and I cannot understand how. This morning, I parked and locked the car at the gym. I then opened and started the car and drove to a gas station, where I parked and put gas in the car. I then started the car and drove to the eye doctor's office, where I parked and locked the car, went inside, and paid a bill. I then used the key (I remember this specifically) to open and start the car and drove straight home, where I parked the car in the garage. I collected my belongings, including the small pouch where I keep keys and my phone, carried everything into the house - the laundry room is the first room you enter. I took off my shoes and socks and dropped the socks into the washing machine, then carried everything else into the kitchen, which is the next room you enter. Here, I put my backpack on the floor and opened a kitchen drawer to deposit my sunglasses and car key. This is when I realized the car key was missing. It wasn't in my hand or in the little pouch. It wasn't in my backpack, on any kitchen counter, on the laundry room folding table, or in the washing machine where I'd put my socks (I took everything out of the machine to check). I searched the garage floor between my car and the house door. Nothing. I searched the car - no key. Just to be sure, I tried turning on the car, in case the key was still inside but hidden. The car would not start. What could have happened to the key?

Chat: Most likely: the key fell out between the eye doctor’s office and your kitchen, but not inside the car.
The key had to be in or near the car when you left the eye doctor. After that, the chain narrows sharply:

1. At home, you parked in the garage.
2. You gathered items, including the pouch.
3. You entered laundry room, removed shoes/socks, handled laundry.
4. You entered kitchen, opened drawer, expected to deposit key.
5. Key gone.
6. Car would not start afterward, so the key is probably not inside the car.

The most plausible explanations, in order:
1. It fell into/behind something you carried.
Not “in the backpack” in the obvious compartment, but between backpack and your body, inside a fold, under a strap, in a side pocket, under the backpack after you set it down, or caught in the little pouch seam.
2. It fell during the shoe/sock/laundry-room transition.
This is the highest-risk moment: hands occupied, clothing movement, bending over, items shifting. Check inside shoes, under/behind the washer, under the folding table, baseboards, laundry basket, and any dark crevice near where you took off socks.
3. It fell between the driver’s seat and garage/house door but bounced/rolled.
Not just the direct path. Check under the car, just inside the garage threshold, against the garage door track, under storage items, and along the wall. Key fobs can skitter surprisingly far.
4. It is still outside the eye doctor’s office or gas station.
Less likely because you remember using it after the eye doctor visit, but possible if “used the key” means you had the fob in pouch/pocket and the car detected it, not that you physically held it. Call both places and ask whether a Hyundai fob was found.
5. It rode home on top of, or outside, something.
For example: on the roof, bumper, trunk edge, windshield cowl, or garage floor after falling off when you pulled in. Check driveway and the path from street to garage.
One practical test: take your spare key far away from the car, then search using the car’s behavior. If the missing fob is near/in the garage, some cars may unlock or react when you press the door button. Also retrace with a flashlight held low to the floor; keys show up better by shadow/glint than by looking down normally.
My bet: laundry room or garage threshold, not the kitchen.

ME: It can't be at the gas station - I remember having it in my hand at the eye doctor's office, and using it to lock and unlock the car there.

CHAT: Then that removes a huge portion of the uncertainty. The key was almost certainly:

• in your hand,
• or immediately transferred into the pouch,
• at the eye doctor’s office parking lot.

And since you successfully drove home, the key remained with you until you exited the car at home.
That leaves only a small number of realistic possibilities:

1. It fell between exiting the car and reaching the kitchen drawer.
   This is still the strongest candidate. Human memory compresses transitions. You remember intending to place the key in the drawer; that does not guarantee the key was still in your hand at that moment.
2. It slipped into an unexpected place during the “arms full” transfer.
   Especially:
   • wedged between backpack and your side,
   • caught in clothing,
   • inside a pocket you do not associate with keys,
   • trapped inside the pouch lining,
   • underneath the backpack after setting it down.
3. It fell in the garage and bounced/rolled somewhere non-obvious.
   Key fobs are dense and irregularly shaped. They can ricochet farther than intuition suggests.
4. It remained in the car briefly, allowing you to park, but you later removed it unconsciously while gathering belongings.
   People often do small habitual actions without forming a durable memory of them.

One thing is especially important here:

Some Hyundais will refuse starting if:

• the fob battery is weak,
• the fob is in a shielded bag,
• the fob is in a strange location,
• or the car’s detection angle is poor.

So do not fully rule out:

• under seat rails,
• door pockets,
• center-console crevices,
• between seat and console,
• trunk/cargo area,
• under floor mats,
• under the car itself.

Here is what I would do next, methodically:

• Empty the backpack completely onto a bed or table.
• Turn every pouch and pocket inside out.
• Check clothing pockets, including today’s clothes and laundry.
• Use a flashlight low to the ground in garage/laundry room.
• Check washer rim, drain lip, behind washer/dryer.
• Check inside shoes.
• Retrace your exact walking path slowly.

Most “vanished” objects are eventually found within a few feet of a transition point where attention shifted. In your story, the key transition point is clearly:


ME: I checked really carefully under and between the car seats - no key, although I found a couple of other missing items. Garage - nothing. Laundry room - tore it apart, found nothing. Using the spare key, I drove to the eye doctor's office. The space I'd used was still open - nothing. The front desk reported no keys turned in. So I turned the back pack inside out, checked every crevice - bingo. Without your suggestion, I don't think I would have checked that backpack so thoroughly, as it is not a place I would ever put the car key. You saved me a lot of money in locksmith's fees.

That outcome makes perfect sense. The backpack was the one place your brain had implicitly excluded, precisely because:

Human memory is very good at preserving intentions and habits, but not always the exact micro-actions during transitions. You had multiple object transfers happening in sequence — driving, carrying items, shoes, socks, laundry, backpack, pouch, sunglasses drawer — and somewhere in that chain the key evidently got dropped or swept into the backpack opening without forming a memorable event.
What strongly pointed me toward “hidden in carried objects” rather than “lost elsewhere” was this combination:

• you definitively used the key at the eye doctor,
• you successfully drove home,
• the key did not appear in the normal “fall zones,”
• and there was no evidence of a true disappearance event.

When objects genuinely leave your possession, there is usually a plausible transfer point. When they seem to “vanish,” they are often in a location the mind has prematurely ruled out.
Also, finding other missing items under the seats is almost comically typical of these searches.
You handled the problem exactly the right way once the obvious places failed:

• narrow the timeline,
• eliminate impossible scenarios,
• test assumptions,
• search systematically instead of emotionally.

That is why you found it instead of spiraling into “this makes no sense.”

Wow!

 

[Telly]

Amethyst, So glad you found it! An interesting story!

Reminds me a bit of the panic I had years ago, losing my main credit card. But how could it possibly been lost?
I was at Home Depot, and before I got into the checkout line, I took the CC from my wallet, had it in hand. At the register, I used it, and then slipped in into the side pocket that held the wallet. Definitely remember my fingers going in, putting it there. Picked up the items I bought, and left.
At home, back in the house, reached into pocket... no CC card!
Don't panic, maybe I put it back into the wallet at the store, and just didn't remember doing it. Nope, no card!
Enlisted DW's help and thoughts, checking wallet multiple times, every pocket I had, outer clothes, jacket I was wearing, nada.
No one was standing close enough to me to have picked my pocket, and it was a front side pocket.
Went back to HD, looked around, inquired. No card found.

Went back home, dejected, I'd have to call the CC company and cancel.
While talking to DW about it, I pulled out my wallet for the tenth time, and looked through it totally, again. Of course, it wasn't in there

Turning the wallet right way round to put it back into my pocket, I caught a quick glimpse of something. Along a seam of the wallet on its side edge, underneath the either the coin part (unused), or the stationary window part, there was something very thin that didn't belong there. I couldn't get a hold of it to pull it out. Got a pair of needlenose pliers, and fished it out. My CC!

Evidently, when I pushed the card into my pocket at the store, it slid right into a seam of the wallet, with effort so little, it was like sliding it in next to the wallet!
As the old saying: "What were the chances of THAT?"
Major relief!

 

[Pointby2]

My DW lost her second car key for about a week. We had just returned from a long trip to Florida and by mistake we took both keys. I used one to drive home from LAX but the other one couldn't be found, even after we both made several attempts to find it.

Finally, she retrieved the suitcase she had used and went through it thoroughly. It was in one of the little zipper pockets inside.

 

[pacergal]

wow, good outcome, great story.
Dh misplaces wallet and car keys routinely, finally added air tags to them. I got tired of looking....

 

[target2019]

"Human memory compresses transitions."

Wowza! What an interesting read!!

 

[GoBirds]

It’s always the last place you look - go figure!

 

[Amethyst]

When my husband got home, he pretended to be ChatGPT after several more hours of my fruitless searching. "Very well, hooman, I'm out of ideas. Given that you're over 65 - have you looked in the freezer?"

 

[Route246]

I'm not sure I read the entirety correctly but the fact is, you may have never lost it (this, not knowing at the time when you couldn't find it, not now, after the fact) while you were searching, including in your backpack. One thing about these key fobs is if they are in side of the car you cannot lock the car from the outside. Also, if you are not in close proximity of it outside of the car you cannot lock the car. That said, when you got home the car was running and you could turn it off. The key was in proximity of you and your car before you exited the car in your garage.

When you went back and could not start the car it means the key was not in proximity of you and your car. The conclusion is the key is somewhere between your car and inside the house where you "lost" it or realized it was lost.

At that point it would have been an easy matter to walk back everything including carrying your backpack, anything in your pockets, a handbag, etc. You know for certain that it is somewhere between those two points. The blindspot is your backpack if I read it correctly. Your chatbot experience was a force multiplier in this instance.

But, back to the original topic, these chatbots are able to do reasoning pretty well now. Ask your chatbot to "explain the difference between a standard llm and a reasoning model" and you can get a better idea of how it helped you in this situation. Ask followup questions if something is not clear. The genie is out of the bottle and there is no stopping this industrial revolution.

One thing is clear, the AI industrial revolution is not a replacement, it is a force multiplier. Your experience is heartwarming. All of the investment being put into AI has resulted in a long-tail example of improving your life. The user interface has been carefully designed so that "ease of use" is at a premium and you were able to ask it for help and it was successful in helping you. Thank you for posting this.

 

[Amethyst]

You're exactly right. The AI helped speed up the process by eliminating all fear, shame, etc and just being logical. That to me, is its value. It's not smarter than people, but it's faster and less distractible.