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How Long Do Fob Batteries Last?


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7 replies to this topic

#1 OFFLINE   ArizonaEnergi

ArizonaEnergi

    C-Max Hybrid Member

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  • 428 posts
  • Region:U.S. Mountain
  • LocationArizona
  • My C-MAX's Year:2013
  • My C-MAX's Color:Sterling Gray
  • Current Vehicle:C-MAX Energi 302A

Posted 02 February 2016 - 05:18 PM

I'm coming up on 3 years and noticed the handle unlock feature is requiring us to have the fob within a few inches of the door.  I'm guessing the battery is getting low.  How long do they last, or what else might be causing this problem.

 

Three more weeks of warranty!









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#2 OFFLINE   Plus 3 Golfer

Plus 3 Golfer

    C-Max Hybrid Member

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  • Region:Decline
  • LocationTN
  • My C-MAX's Year:2013
  • My C-MAX's Color:Oxford White
  • Current Vehicle:2013

Posted 02 February 2016 - 06:32 PM

Same issue with my 2008 Rogue (nearly 8 years old). It was getting so bad that several times I had to put the transponder near the door and more importantly by the ignition switch to start.  So, I went to Battery Plus several months ago to get the battery replaced in the Rogue.  While there I had them check the C-Max battery as many time I couldn't unlock the door unless I turned my right side towards the door (FOB in right pants pocket).  The FOB had to be maybe within a foot or so to work consistently.  Battery Plus checked it and suggested I replace it also which I did.  No more issues with opening the C-Max door. :)  

 

My C-Max was out of the B2B warranty (over 36k miles). So, I got just shy of 3 years life out of the C-Max FOB battery.  My wife's C-Max FOB still seems okay at 37 months.  IIRC, the cost was around $5 / $6 or so per battery at Battery Plus.  I could have probably gone to Walmart and found a pack of 2 for the same price as one at Battery Plus but then I'd have to open both FOBs up.



#3 OFFLINE   C-MaxSea

C-MaxSea

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  • Region:U.S. Pacific Coast
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  • My C-MAX's Year:Decline
  • My C-MAX's Color:Sterling Gray
  • Current Vehicle:2013 C-Max SEL, 303A, Pano Sunroof, Born Aug 2012

Posted 02 February 2016 - 09:21 PM

Noticed a couple non-recognition dash notes on start-up a few days ago.  Dropped $5.99 and changed the batteries on both of our key fobs - belt & suspenders ..........  They were presumably about 3.5 years old.  Warranty ?  Not worth a trip, for sure.     Nick


Edited by C-MaxSea, 04 February 2016 - 12:08 PM.


#4 OFFLINE   ArizonaEnergi

ArizonaEnergi

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  • Region:U.S. Mountain
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  • My C-MAX's Color:Sterling Gray
  • Current Vehicle:C-MAX Energi 302A

Posted 03 February 2016 - 10:09 AM

Thanks all.  I'll be Amazon Priming (5 for $5.99) these today: C-Max manual pg 60:  "The remote control uses one coin-type three-volt lithium battery CR2032 or equivalent."


Edited by ArizonaEnergi, 03 February 2016 - 10:29 AM.


#5 OFFLINE   cwstnsko

cwstnsko

    New Member

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  • Region:Canada Prairie Provinces
  • LocationWinnipeg, Manitoba, Canada
  • My C-MAX's Year:2015
  • My C-MAX's Color:Magnetic
  • Current Vehicle:2015 C-Max Energi, 2014 Focus Electric (in WA)

Posted 03 February 2016 - 12:08 PM

If you have an IKEA in your area, they have these batteries in an 8 pack for $1.99

 

http://www.ikea.com/...ducts/80291156/



#6 OFFLINE   scottwood2

scottwood2

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  • Region:U.S. Great Lakes
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  • My C-MAX's Year:2014
  • My C-MAX's Color:Tuxedo Black
  • Current Vehicle:2014 C-Max SE, 202A, Winter Package

Posted 05 February 2016 - 09:43 AM

Mine lasted about 10 months.  I think it should last longer.  We will see on battery #2.   Other key is still going after 16 months.  



#7 OFFLINE   ptjones

ptjones

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  • My C-MAX's Year:2013
  • My C-MAX's Color:Ingot Silver
  • Current Vehicle:2013 C-MAX SEL

Posted 05 February 2016 - 02:18 PM

Mine hasn't been working that for awhile so I went ahead replaced it. It was 2.90vlts and the new one 3.13volts and cleaned it up too. I was lucky I had a bunch of the batteries. :)

 

Paul



#8 OFFLINE   ptjones

ptjones

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  • Current Vehicle:2013 C-MAX SEL

Posted 07 February 2016 - 12:10 PM

Well my fob isn't working very well at all now so I took it to FORD but they said they need both of my FOBs to fix it. I checked my spare fob and it works great so back to FORD next week. ;) 

 

Paul 








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