According to the coding, Tesla's Voice Assistant will be activated by a 'wakeword,' which means it will always be listening. If you have Amazon Alexa, you know what this means. A simple 'Hey Alexa' activates the device you're speaking to, which then allows you to speak commands to it.
This differentiates from the current system by one key difference: Tesla's current voice command feature requires the touch of a button on the steering wheel.
It also appears to already have a chosen tone or narration, as it will be the Jenny Neutral voice from Microsoft. This is an interesting Easter Egg with that specific voice being used.
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