The Car Key Encyclopedia

Topic · 1 entry

FCC IDs & Remotes

Where the FCC ID hides, how to read it, and why two fobs that look identical will not both work in your car.

  • FCC ID
  • 315 MHz
  • 433 MHz
  • Part number
  • Remote start

Start with these

In reading order.

1 Where is the FCC ID on my key, and what does it tell me?Turn the fob over: the FCC ID is on the back label, or inside under the battery cover on slimmer keys. It is the transmitter’s registrati...

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