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2021 TLX 2.0T ADV/AWD Majestic Black Pearl/Ebony
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Discussion Starter · #1 ·
Interesting event yesterday as the gas station.

Fueled the car without problem (remembered to place the nozzle gingerly to prevent dribbles -- could not the sealing flap have been placed an inch or so down the pipe?) but when I returned to the driver's seat, the car could not detect the presence of the key. The car did not respond to any of the buttons, but the status light on the key was working, so the battery was good. Could not use Acura Link because the car was powered off.

After about 30 seconds, the car did respond to Alarm button. But, once sounding, I could not stop the alarm. Received some interesting looks from other patrons. Several came over to make sure I was OK (thanks, folks even in these tortured times basic human decency lives!) Someone kind soul called the Police. Received a text from Acura Link that my car alarm was sounding.

Alarm eventually reset. Walked away from the car to get out of range and upon returning, voila! The car worked as if nothing happened. I did a couple of power cycles to ensure all was well with no problems noted. Was about to drive away when the police arrived. Officers were understanding...the younger of the two asked if I had checked out the Kia Stinger before buying the TLX...

So, if the car doesn't recognize the key, my suggestion is to walk far enough away to get out of range so the system can reset.

Also have to check the manual for the procedure to replace the key battery, and throw a spare in the glove box. If the key can't be sensed the car is going nowhere.
 

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That is an interesting story. Glad it had a happy conclusion. Hope it was in a comfortable climate!
With all the electronics in modern cars, this type of issue can be expected.
By chance did you have the key in your pocket with your cell phone? I've heard, that can prevent the key from communicating with the car.
 

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2021 TLX 2.0T ADV/AWD Majestic Black Pearl/Ebony
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Discussion Starter · #3 ·
That is an interesting story. Glad it had a happy conclusion. Hope it was in a comfortable climate!
With all the electronics in modern cars, this type of issue can be expected.
By chance did you have the key in your pocket with your cell phone? I've heard, that can prevent the key from communicating with the car.
No, cell phone was in the charging cradle, but you raise a good point. In addition to phones, "secure" credit card wallets have also been suspected of interfering with key communications. In this case, I took the key out of my pocket and held it near the start button, overhead console, dash board and anywhere else I could think of without success.
 

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Try the "dead" battery location: fob "touching" the start button. That worked in my Civic.
 
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I had to do this with our Civic about a month ago. It wouldn’t recognize the key at all. I touched it to the Start button and all was good. Strange for sure.
 

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Couple of times are 2021 TLX Advance would not open after using the remote start. Left car run for few minutes walked to the car and would not open. Shut the car off with the remote and was able to open it up. For now writing off a a "glitch". Will see if frequency increases.
 

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Couple of times are 2021 TLX Advance would not open after using the remote start. Left car run for few minutes walked to the car and would not open. Shut the car off with the remote and was able to open it up. For now writing off a a "glitch". Will see if frequency increases.
I've encountered this after the remote start, no response to unlock from key fob or door handle, on at least four (4) occasions, with two (2) different 2021 TLX Platinum Elites (Canada).

The trunk unlock button will work. Opening the door with the key, causes the car to shutoff, then unlock with key fob seems to work again per normal.

Have never run into this issue if just unlocking without a remote start first.

IMO it's a software bug.
 

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Couple of times are 2021 TLX Advance would not open after using the remote start. Left car run for few minutes walked to the car and would not open. Shut the car off with the remote and was able to open it up. For now writing off a a "glitch". Will see if frequency increases.
I’ve had this happen twice. In both cases tried unlocking the door using the door handle, the fob, and AcuraLink. None worked. Had to shut the car off via AcuraLink, then was able to open it normally.
 

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I’ve had this happen twice. In both cases tried unlocking the door using the door handle, the fob, and AcuraLink. None worked. Had to shut the car off via AcuraLink, then was able to open it normally.
Figured this out.

You have to lock the car first from the app (even if it is locked already). Then remote start from the app and you’re good to go. Can walk up and grab the door handle to unlock as normal.


I guess it works the same way as remote start from the fob, which requires you to first lock the car, then remote start. Odd though that the app just lets you start it without locking first, should have a pop up that lets you know to lock first.
 

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Figured this out.

You have to lock the car first from the app (even if it is locked already). Then remote start from the app and you’re good to go. Can walk up and grab the door handle to unlock as normal.


I guess it works the same way as remote start from the fob, which requires you to first lock the car, then remote start. Odd though that the app just lets you start it without locking first, should have a pop up that lets you know to lock first.
Thanks for posting. 1 week old car and I used remote start for the first time last night and this happened to me. Glad to know that there's nothing wrong with the car, but yes it would be nice for a pop-up or something to let us know.
 

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Hopefully that is all it takes. However a couple times that this has happened, I got this message once I was able to access the car... I took a pic last time so when I go in for service I will have proof of what was going on.
26543
 

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Couple of times are 2021 TLX Advance would not open after using the remote start. Left car run for few minutes walked to the car and would not open. Shut the car off with the remote and was able to open it up. For now writing off a a "glitch". Will see if frequency increases.
This has happened to me twice. Picked up car 3 weeks ago, ~1000 miles so far. Go to touch ANY of the door handles and no response after remote start. I do not recall how I remedied it, but obviously this is a problem that Acura needs to address.
 

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This can be a scary situation! Would using the physical key help? Just wondering.
 
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