I took my Tesla in because the heated seat had stopped working.

SF Scott Farrell June 26, 2026 scott@leverageai.com.au LinkedIn

I took my Tesla in because the heated seat had stopped working.

The man at the front desk looked at his screen: "I see you're in for a driver detection replacement."

No, I said. Heated seat.

He looked at it. And looked at it. And looked at it. Then:

"Oh yeah. I think the AI got that one wrong."

The wrong part was already ordered. I might have to come back next week. And I watched him quietly clock out of the
problem — he didn't want to reopen what the AI had done.

One wrong seat part turned out to be a complete map of how we're deploying AI.

Here's the thing everyone misses: the failure wasn't that the AI was wrong.

The occupancy sensor genuinely can sit upstream of the heater circuit. The AI might have been brilliant.

The failure is that nobody in that building could tell — because the guess arrived with no receipt.

→ A receiptless AI turns brilliance and hallucination into the same customer experience.

Give AI authority inside a workflow — but no membership, no evidence, no accountability — and it stops being a tool. It
becomes an invisible foreman: locally efficient, globally trust-destroying, resented by everyone left cleaning up
after it.

And the maths is brutal:

It can save $200 in parts and create $2,000 in reputational damage.

The dashboard celebrates the $200. Nobody can even see the $2,000.

(Gartner: 64% of customers would prefer companies didn't use AI for service. They're not anti-AI. They're
anti-being-classified-quickly.)

The fix was never a smarter model. It's architecture:

→ AI proposes, it doesn't decide — a card with the action, the draft, the why, the evidence
→ A decision graph governs it, with a customer-experience node nobody builds
→ A deterministic gate commits it — can't beats shouldn't
→ And it keeps the John West receipt: the cheaper options it rejected, and why

That last one flips the finance review from "the AI is over-ordering parts" (waste) to "the AI is protecting the
customer" (strategy).

▎ The model is the engine. The wiki is the memory. The DAG is the law. The receipt is the evidence.

Same pattern, anywhere a "back-office" decision quietly sets a customer's expectation: a wrong insurance reserve, an
auto-resolved ticket that reopens, a loan pre-approval clawed back. The story changes. The failure doesn't.

So here's the only question that matters for any AI you put near a customer:

Is AI an exoskeleton that arms your people —
or an invisible foreman that throws them under the bus?

Arm the human. Don't chew them up.

https://leverageai.com.au/wp-content/media/ebooks/Tesla_Service_AI_Case_Study_ebook.html

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Originally posted on LinkedIn


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