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How to Replace the Battery in a Car Key?

The smart remote car key is the same as the remote control of the TV, there is a battery inside. So if the smart car key is out of power, how can we replace it with a new battery? Actually it's very simple, our car owners should know that the battery inside the car key uses the CR2032 or CR2025 lithium button cell battery. The difference between these two batteries is that the thickness is different, the diameter is the same, both are 20mm, and the thickness is 3.2mm and 2.5mm respectively. So called CR2032 and CR2025.

2026-04-23