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Discussion Starter · #1 ·
My 2016 F-Type base no longer stops/restarts the engine while stopped. While I’m not a particular fan of this feature, I’d like to know why it quit functioning. I’m wonder if this may indicate that the original battery (batteries?) are fading?
 

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2023 F Type
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My husband's XJL (2014) also stopped working. It took quite a search, but he was able to find the battery for it. I believe it even had to come from Germany or England. A very specific battery. His car had closer to 50,000 when it stopped.
 

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Mine too has stopped. Research tells me the separate battery that operates this feature needs replacement. It is located under the carpet in the trunk. I haven't replaced it yet but intend to.
 

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Thanks all. I understand that the re-start battery is a small lithium (?) battery. I’ll see if I can find it !
Auto stop/start stopped working about 1/2 year before warranty ran out on my 2016. Dealer struggled to find the problem. Updated software; checked cables, charging system and battery. Finally tracked it down to a faulty BMS (battery monitoring) module and cable, which they replaced. Has worked fine for the past nearly 2 years now. :)
 

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Discussion Starter · #8 ·
Mine too has stopped. Research tells me the separate battery that operates this feature needs replacement. It is located under the carpet in the trunk. I haven't replaced it yet but intend to.
Thanks, I have looked but cannot locate. Before I tear up all of the trunk carpeting and make a mess, does anyone know exactly where this lithium battery is located?
 
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