Key type identification for transponder key replacement

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When your car's transponder key stops working, figuring out the exact key type is crucial. You'll need to check the key's FCC ID number, which is usually printed on the key's circuit board. This ID helps identify the specific frequency and protocol your vehicle uses. Some common types include SA2007, KOBJ, and KOBTW2. You can also use a transponder key reader to determine the chip type, like 125 kHz or 13.56 MHz. Knowing the correct key type ensures you order the right replacement, saving time…