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How to Change the Battery in a Nissan Sunny Key Fob

Model: Nissan Sunny N17 - Years 2011-2020
Part: Key

Noticed that your key fob for the doors isn't working anymore? You probably need to replace the battery inside. Follow the steps below for the replacement. First, purchase a new CR 1616 battery. Then, use a small screwdriver to remove the tiny screw located on the back of the key fob to take off the back cover. Behind the cover, you'll find the battery, which you can remove and replace with the new one, making sure to respect the polarity. Finally, reattach the cover and screw it back in.

Updated on 29 July 2026 by ScegliAuto

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