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How Long Do Fob Batteries Last?


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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.

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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
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