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How to Replace the Key Battery in Your Infiniti QX55

Model: Infiniti QX55 P71a - Years 2021-2026
Part: Key

If the smart key for your new Infiniti QX55 has suddenly stopped working, it is likely time to replace the battery inside. Below, we will discover how to perform this operation quickly and safely. First, press and hold the button located on the back of the cover while simultaneously pulling out the emergency key. Once you have done this, use a flathead screwdriver to open the cover and access the dead battery. Finally, remove the old battery and replace it with the new one.

Updated on 26 July 2026 by ScegliAuto

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