Key Fob Not Working Properly

[LeftCoastOverland]

Hey, just wanted to see if anyone else was experiencing this issue.

So the car locks fine with the central locking system when I press the 'Lock' symbol on my key fob.
However when I return from the shop, or the next morning - whenever to Unlock the car, the system isn't recognizing the button press.

I must then press the 'Lock' button again, which gets the headlights to react, and I hear the mechanism confirm the lock, I can then subsequently press 'Unlock' shortly after, and the system recognizes the unlock demand.
Not sure it's a problem with battery life - as the lock function works flawlessly.

I did get re-keyed due to the sticky buttons a month or so back. It's been working normally for the last three weeks up until now. not sure if that may be related.
Thanks for reading.
-R

 

[Clark Kent]

Hey, just wanted to see if anyone else was experiencing this issue.

So the car locks fine with the central locking system when I press the 'Lock' symbol on my key fob.
However when I return from the shop, or the next morning - whenever to Unlock the car, the system isn't recognizing the button press.

I must then press the 'Lock' button again, which gets the headlights to react, and I hear the mechanism confirm the lock, I can then subsequently press 'Unlock' shortly after, and the system recognizes the unlock demand.
Not sure it's a problem with battery life - as the lock function works flawlessly.

I did get re-keyed due to the sticky buttons a month or so back. It's been working normally for the last three weeks up until now. not sure if that may be related.
Thanks for reading.
-R

Does this happen with both keys?

 

[LeftCoastOverland]

Does this happen with both keys?

Haven't had a chance to try the second key, as I am away from home this week.

 

[beefs]

Not sure it's a problem with battery life - as the lock function works flawlessly.

I still think trying a new battery would be my first port of call

 

[Reducs]

Hey, just wanted to see if anyone else was experiencing this issue.

So the car locks fine with the central locking system when I press the 'Lock' symbol on my key fob.
However when I return from the shop, or the next morning - whenever to Unlock the car, the system isn't recognizing the button press.

I must then press the 'Lock' button again, which gets the headlights to react, and I hear the mechanism confirm the lock, I can then subsequently press 'Unlock' shortly after, and the system recognizes the unlock demand.
Not sure it's a problem with battery life - as the lock function works flawlessly.

I did get re-keyed due to the sticky buttons a month or so back. It's been working normally for the last three weeks up until now. not sure if that may be related.
Thanks for reading.
-R

Same issue with mine. I swapped keys with the Mrs. and her's is fine. Not worth a trip to the dealer, but it's annoying.

 

[landmannnn]

Just take the fob battery out and put it in again.

 

[LeftCoastOverland]

Yeah the second key works normally.
I’ll swap the battery.
Thanks, Fam.

 

[Glen]

I received an alert on the dash the other day that said something like "Keyfob battery low" so I changed it of course. It was only 2-1/2 months from date of purchase, but I presume it had sat around on a shelf for a year or so.

 

[Green Gren]

I’ve also found that I need to press the unlock and lock for a beat and not just a quick click. That’s solved any issues with the fob not working.

 

[BARAKKA]

Same issue with mine. I swapped keys with the Mrs. and her's is fine. Not worth a trip to the dealer, but it's annoying.

Same here. It started this morning.

 

[BARAKKA]

Just take the fob battery out and put it in again.

Now I’m off to find the tiniest hex key in all of the realm .

 

[Glen]

Now I’m off to find the tiniest hex key in all of the realm .

It's a T-6 Torx bit you'll need. Xcelite or Wiha makes nice sets with handles.

 

[landmannnn]

Now I’m off to find the tiniest hex key in all of the realm .

No!

Just push back the little tab with your finger nail or a small screwdriver.

 

[Glen]

Ah @landmannnn - I didn’t realize @BARAKKA was just trying to change the battery. No tools required. The Torx drivers are still nice to have tho’

 

[Silverjay]

Must be some old FOBs or batteries. 2 months in and I got the same message this morning.

 

[landmannnn]

Similar experience here.

 

[Krabby]

Must be some old FOBs or batteries. 2 months in and I got the same message this morning.

I got it once for a few days but then it went away. I never changed the battery and have not had an issue since.

 

[Glen]

I unlocked my car from what I’d consider to be an extreme range yesterday - approximately 50 yards. Shortly after I started the vehicle, I received a low key fob battery alert on the dash. This despite changing the battery about 10 days ago after receiving the same warning. I did not receive that warning after a stop/start at my next destination.

I wonder if the low battery is triggered when a low-strength RF signal is received (or maybe lots of dropped packets) instead of the actual battery voltage. That would explain the behavior I saw.

 

[landmannnn]

I unlocked my car from what I’d consider to be an extreme range yesterday - approximately 50 yards. Shortly after I started the vehicle, I received a low key fob battery alert on the dash. This despite changing the battery about 10 days ago after receiving the same warning. I did not receive that warning after a stop/start at my next destination.

I wonder if the low battery is triggered when a low-strength RF signal is received (or maybe lots of dropped packets) instead of the actual battery voltage. That would explain the behavior I saw.

There are two methods around, one where the fob sends a low battery packet and the other where the vehicle sees low RF strength.
So it sounds like the IG uses the second type, or maybe both.