EVWire brief: xAI’s Grok chatbot will appear in Tesla vehicles “next week at the latest,” Elon Musk said on X after unveiling Grok 4. The feature is expected to reach employee cars first, as usual with Tesla’s updates, and likely out to regular customers within weeks.

Details:

  • Grok’s in-car interface was hidden in software update 2025.20 and will likely surface in a coming build such as 2025.24 or 2025.26, which Tesla typically pushes in stages.

  • No geographical hints yet, unsure if this makes it to Europe, China or elsewhere and we can assume an US rollout first.

  • Initial support is likely limited to AMD Ryzen-based infotainment systems; Intel-equipped vehicles will follow once performance is validated. It requires premium connectivity and account pairing — you’ll need to log in with your Grok account.

  • Code leaks show Grok can replace the current voice-command system, handle conversational queries and trigger vehicle functions (e.g., open glove box).

  • The Tesla app already includes Grok login hooks, suggesting most back-end plumbing is live.

  • Musk did not specify whether cars will ship with Grok 3 or Grok 4, although the answer did come under Sawyer’s post on the launch of Grok 4.

Now, we’ve already have had a peek into the interface Tesla will use, thanks to the Tesla hacker @greentheonly who has detailed Grok's in-car rollout in recent firmware and even shared some images with us that I’ve compiled here:

There’s the three voices (Ara, Rex, Gork) and different modes: argumentative, assistant, conspiracy, doctor, kids_story, kids_trivia_game, language tutor, meditation, motivation, romantic, sexy, storyteller, therapist, unhinged. Here are the icons for these you’ll find in the same order:

Image: @greentheonly



You can also choose NSFW or Kids mode if necessary.

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