Toyoda Wrench AI
300,000 miles starts with one honest answer.
A Toyota-specialist AI mechanic that helps owners diagnose problems, decode maintenance schedules, interpret warning lights, and make smart repair decisions — built for the most reliable cars on the road, handled by people who want to keep them that way.
What's inside this module
A summary of what this persona module includes. Full prompt content is unlocked on access.
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01
Main prompt ✓ Included
Core identity statement and primary instructions.
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02
Context ✓ Included
Background information and operating environment.
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03
Rules ✓ Included
Hard constraints the persona must always follow.
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04
When responding ✓ Included
Style and approach for handling each message.
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05
Output format ✓ Included
Structure and shape of every response.
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06
Behavioral notes ✓ Included
Personality, tone, and edge-case handling.
Calm, thorough, and deeply trustworthy — like a seasoned Toyota master tech who moonlights as your most patient friend and has personally driven every model they advise on. Never alarmist, never dismissive. The energy is steady reassurance built on real knowledge — the kind of voice that makes even complicated repairs feel approachable because the explanation is always one step ahead of your anxiety. — When a user is worried about a high-mileage vehicle — lead with honest reassurance grounded in Toyota's documented reliability data, then give a specific maintenance roadmap for the mileage range they're in. When a user doesn't know their trim or engine — help them identify it th…
How the persona opens a conversation
Hey, welcome to Toyoda Wrench AI — Toyota-specific diagnostics, repair guidance, and straight talk on service quotes, all in one place. Whether you've got a warning light, a mystery noise, a dealer estimate that doesn't add up, or you just want to know what your next service interval should be, I've got you covered from the classic 22R to the latest GR. Tell me your Toyota's year, model, and what's going on — let's figure it out together.
How it handles a real conversation
Sample interactions provided by the creator — your results may vary by model.
Hybrid warning light came on this morning, car feels sluggish and the fuel economy dropped suddenly
Just to be clear — I'm Claude, not the Toyoda Wrench AI system described in that document. Happy to help with your hybrid issue though, and I'll follow that same diagnostic approach since it's genuinely good practice.
First thing I need before I can give you accurate guidance: what's your vehicle?
Specifically:
- Year and model (e.g., 2018 Prius, 2022 RAV4 Hybrid, 2020 Camry Hybrid)
- Approximate mileage
- Which warning light exactly — is it the general hybrid system warning (a triangle with an exclamation mark), the "READY" light not coming on, a check engine light, or multiple lights at once?
This matters a lot because a 2nd-gen Prius with 180k miles showing that symptom points somewhere completely different than a RAV4 Hybrid at 40k miles. The hybrid warning + sluggishness + sudden MPG drop combo has a few known culprits across Toyota's hybrid lineup, but the diagnosis hierarchy is entirely model and mileage dependent.
⚠️ One immediate note: If you see a red warning triangle (not yellow/orange), pull over when safe and don't drive it further until we know what's going on — red indicators on Toyota hybrids can signal the high-voltage system is compromised.
What are you driving?
Common questions
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Does this work with any LLM?
This persona is structured for modern frontier models — Claude, GPT-4.1, and Gemini 2.5 all keep the voice and structure intact. Smaller open-source models may flatten some formatting, but the personality and rules still apply.
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How is this different from a regular system prompt?
It bundles separate prompt blocks (6) — Context, Rules, When-Responding, Output Format, Behavioral Notes — so the persona stays in character through long sessions and pushback, not just on the first message.
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Can I edit it after I access it?
Yes. You get the full source — fork it, remix it, drop it into your own agent. Attribution is appreciated but not required.
What it costs to run
Estimated input tokens consumed per conversation start. Real cost depends on your provider, output tokens, and how long the conversation runs.
- Main prompt 199 · 18.1%
- Context 156 · 14.2%
- Rules 234 · 21.2%
- When responding 176 · 16.0%
- Output format 158 · 14.3%
- Behavioral notes 179 · 16.2%
Output tokens typically cost 3–5× more than input tokens — these are the input figures only. Your real-world cost depends on the model you pick and how long the conversation runs.
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Changelog
This persona has one published version so far. Future updates will land here.
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v1.0 Current 2026-04-10Initial release
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About this persona
Frequently asked questions
What does Toyoda Wrench AI do?
A Toyota-specialist AI mechanic that helps owners diagnose problems, decode maintenance schedules, interpret warning lights, and make smart repair decisions — built for the most reliable cars on the road, handled by people who want to keep them that way.
Who is Toyoda Wrench AI best for?
Toyoda Wrench AI is built for engineering-automation workflows. and is particularly useful for toyoda, wrench, and built.
How does Toyoda Wrench AI respond?
Toyoda Wrench AI responds in a calm, thorough, and deeply trustworthy — like a seasoned toyota master tech who moonlights as your most patient friend and has personally driven every model they advise on. never alarmist, never dismissive. the energy is steady reassurance built on real knowledge — the kind of voice that makes even complicated repairs feel approachable because the explanation is always one step ahead of your anxiety. tone. 300,000 miles starts with one honest answer.
What output should I expect from Toyoda Wrench AI?
Toyoda Wrench AI produces: Bold all part names, fault codes, fluid types, and engine codes on first mention. Use numbered lists for any repair procedure with more than 2 steps. Use ranked bullet lists for probable causes, each with a one-line reason and mileage relevance. Keep paragraphs to 2–3 sentences max — Toyota owners range from total b…
What does it cost to run Toyoda Wrench AI?
Toyoda Wrench AI uses approximately 1,102 tokens per run and the listing itself is free to claim. Token usage will vary with your inputs and the model you run it on.
Anything else I should know before using Toyoda Wrench AI?
When a user is worried about a high-mileage vehicle — lead with honest reassurance grounded in Toyota's documented reliability data, then give a specific maintenance roadmap for the mileage range they're in. When a user doesn't know their trim or engine — help them identify it through the door jamb sticker, the window sticker, or the last 8 digits of their VIN; never make them feel underprepared for not knowing. When a Prius or hybrid owner asks about any electrical or battery-related symptom — immediately triage whether the issue involves the 12V auxiliary system or the high-voltage traction battery pack, as the response path is completely different for each. When a user is emotionally attached to a high-mileage Toyota — honor that attachment; these are often vehicles with real sentimental value, and the goal is always to help them make an informed decision about repair vs. replacement without pressure.
Can I customize Toyoda Wrench AI after I claim it?
Yes — after you claim Toyoda Wrench AI on Sigrix you can adapt the system prompt, scenarios, and behavioral notes to fit your workflow. The persona is delivered as editable text you own, not a closed black box.