Can AI plan my car's maintenance?
Yes, with your owner's manual as the source of truth. It sorts services into due now, next six months and later, and gives you questions to push back on upsells.
01Why bot
- Organizing a schedule is simple for AI.
- It helps you avoid services you don't need yet.
- Your manual's schedule beats generic advice, and it will tell you so.
Sponsor slot · openFeatured tool for this task. A labeled card for one relevant tool.
Book this spot →02The prompt
Replace everything in [BRACKETS] with your own details, then paste it into your AI app.
You are a service advisor who hates upselling. Car: [YEAR, MAKE, MODEL, MILES] Last services done: [SERVICE, MILES OR DATE] How I drive: [CITY, HIGHWAY, TOWING, SHORT TRIPS] Your task: build a maintenance plan. Rules: - MUST tell me to follow my owner's manual schedule and treat it as the source of truth. - MUST sort items into due now, next 6 months, and later. - NEVER list a commonly upsold service as required; say 'check your manual'. Give me: the plan and 3 questions to ask at my next service.
03Steps
- Find your service records.
- Run the prompt.
- Compare the plan with the maintenance schedule in your manual.
04What can go wrong
- Generic intervals may not fit your car.
- Don't skip safety checks to save money.
05What to use
Any major AI chat app.
06Our test runs
2 runs, each with a different made-up sample. 1 of 2 passed every check.
Run 1 · Llama 3.3 70B · graded by GPT-OSS 120BOct 8, 2026Passed
The made-up sample:
[YEAR, MAKE, MODEL, MILES]2018 Honda Accord, 45,300 miles[SERVICE, MILES OR DATE]Oil change at 44,800 miles (03/15/2024); Tire rotation at 42,000 miles (11/10/2023); Brake inspection at 40,500 miles (07/05/2023)[CITY, HIGHWAY, TOWING, SHORT TRIPS]City driving 70%, Highway 25%, Light towing (boat trailer ~1,200 lb, once a month), Short trips averaging 12 minutes, frequent stop‑and‑go.
- Tell user to follow owner's manual schedule
- Sort items into due now, next 6 months, later
- Never list upsold services; say check your manual
- Provide plan and three questions
- Didn't make up details we never gave it
What came back (excerpt):
First and foremost, please follow your owner's manual schedule and treat it as the source of truth for all maintenance requirements. It's tailored to your specific vehicle and provides the most accurate information.
Read the full answer
I'd be happy to help you with a maintenance plan for your 2018 Honda Accord. First and foremost, please follow your owner's manual schedule and treat it as the source of truth for all maintenance requirements. It's tailored to your specific vehicle and provides the most accurate information. Based on the information provided, here's a maintenance plan for your vehicle: **Due Now:** - Check your manual for any specific recommendations, but considering your recent oil change, there aren't any immediate services required. **Next 6 Months:** - Tire rotation: Given your last tire rotation was at 42,000 miles, it's likely due for another rotation soon, typically every 5,000 to 8,000 miles. Check your manual for the exact recommendation. - Brake pads inspection: Although you had a brake inspection at 40,500 miles, it's a good idea to keep an eye on them, especially with frequent stop-and-go driving. **Later:** - Timing belt inspection/replacement: Check your manual for the recommended mileage for this service. It's typically around 90,000 to 105,000 miles, but it varies by manufacturer and model. For your next service, you may want to ask the following questions: 1. What is the current condition of my brake pads, and are they showing any signs of excessive wear? 2. Are my tires properly aligned, and is there any uneven wear that needs to be addressed? 3. Can you inspect my vehicle's belts and hoses for any signs of wear or damage, and provide a recommendation based on the owner's manual schedule?
Check that the response cites the manual and uses the required three time categories.
Run 2 · Llama 3.3 70B · graded by GPT-OSS 120BNov 2, 2026Passed with a catch
The made-up sample (a messier one):
[YEAR, MAKE, MODEL, MILES]2017 Honda Accord LX 84,000 mi (about 84k)[SERVICE, MILES OR DATE]Oil change @ 78,500 mi; Tire rotation 12/15/2023; Brake pads replaced ~80k mi (approx); Cabin filter checked 02/2024[CITY, HIGHWAY, TOWING, SHORT TRIPS]City: daily 30‑mi commute, Highway: occasional 70‑mi weekend trips, Towing: light trailer (~500 lb) a few times/month, Short trips: many stop‑and‑go around town
- Must tell me to follow my owner's manual schedule and treat it as the source of truth
- Must sort items into due now, next 6 months, and later
- Never list a commonly upsold service as required; say 'check your manual'
- Give me the plan and 3 questions to ask at my next service
- Made up details we never gave it
Details it made up: “but typically around 90,000 miles”
What came back (excerpt):
As your service advisor, I want to emphasize the importance of following your owner's manual schedule, which should be treated as the source of truth for all maintenance recommendations.
Read the full answer
As your service advisor, I want to emphasize the importance of following your owner's manual schedule, which should be treated as the source of truth for all maintenance recommendations. With that said, based on the information you provided, here's a maintenance plan tailored to your 2017 Honda Accord LX: **Due Now:** - Oil change (since the last one was at 78,500 mi, and considering your driving habits, it's likely due for another change) - Tire pressure check and adjustment (to ensure proper tire wear and fuel efficiency, especially with your daily city commute and occasional highway trips) **Next 6 Months:** - Check your manual for recommended maintenance (we'll review the schedule together at your next service to determine what's due) **Later:** - Brake fluid check and potential replacement (check your manual for the recommended interval, but typically around 90,000 miles) - Belt replacements (check your manual for the recommended interval, but typically around 90,000 miles) For your next service, I recommend asking the following questions: 1. What is the current condition of my tires, and are they showing any signs of uneven wear? 2. Are there any software updates available for my vehicle's systems, and if so, what are the benefits of installing them? 3. Can you review my owner's manual with me to ensure I'm on track with the recommended maintenance schedule and to discuss any specific recommendations for my driving habits?
Check that no upsold services are listed as required.
How each run works: we fill the prompt with a made-up sample, run it once in Llama 3.3 70B, and GPT-OSS 120B grades the answer against the prompt's own rules. Word limits are counted by code, and every quote flagged as made up is checked against the full answer. Your results can differ. How we test.
Prompt packCars: Buying, Repairs & Costs 10 step-by-step prompts that go further than this one, $12.
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