Key Fob Not Working

kyarosh

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Aug 10, 2025
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Buick Ownership
2015 regal premium
looking for some guidance --- recently purchased a 2015 regal premium -- the original key fob was beat up --- we have a local hardware store that does programming and cutting of new keys--- we bought a new fob -- both fobs worked for all functions....
Fast forward 3-4 weeks --- both fobs have intermittently worked to lock/unlock the car --- yesterday they both started NOT working at all - none of the buttons on either work --- we changed the batteries in both, no difference.
Late last night we discovered the fob worked to lock/unlock, which did not work earlier in the day....
The car does (usually) start when either fob is in the transmitter pocket....
Took the car battery to get tested yesterday and everything is good there
Now when using the key to manually unlock the car the alarm does not go off, it did yesterday morning, but not in the evening - using either key
Looking for some guidance --
 
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