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    KEY FOB MARKET

    2021–2023 Acura TLX 4-Button Smart Key | KR5T21

    2021–2023 Acura TLX 4-Button Smart Key | KR5T21

    • FCC IDKR5T21
    • Freq433 MHz
    • Buttons4
    • ChipPhilips 47

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    Push-to-start smart key for Acura TLX (2021 to 2023).

    Shop notes

    Open the customer's key and compare the FCC ID and board ID before you program. Same shell, different board is the most common smart key mix-up.

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    Specifications

    FCC IDKR5T21
    IC7812D-T21
    OEM part #72147-TGV-A01, 72147-TGV-A11
    Transponder chipPhilips 47
    Frequency433 MHz
    Buttons4 (Lock, Unlock, Trunk, Panic)
    BatteryCR2032
    Key blank / bladeHO01
    Always match the FCC ID, frequency and buttons to the original key. Not sure? Send us the VIN and we'll confirm before you order.

    Vehicle fitment

    Compatible vehicles 1
    • Acura TLX 2021-2023