Lexus GX 460 (2010)

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    Items to initialize
    The following items must be initialized for normal system operation in cases such as after the 12-volt battery is reconnected, or maintenance is performed on the vehicle. ...

    Horn
    To sound the horn, press on or close to the mark. ...

    Hands-free system for mobile phones
    The hands-free system is a function that allows you to use your mobile phone without touching it. This system supports Bluetooth® mobile phones. Bluetooth® is a wireless data system that allows the ...