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WhatsApp chatbot for oil change shops: how it works and how much it costs
What CertuAI measured on the WhatsApp of 67 businesses
Across the 67 businesses that answer with CertuAI's AI, 32.5% of the 122,720 customer messages arrived outside Monday to Friday, 8 a.m. to 6 p.m. (July 30 to September 30, 2026). Half of the AI's replies went out within 11.7 seconds, and 9 in 10 within 20.7 seconds (38,908 replies). 34.6% of conversations started outside business hours, and the busiest hour was 11 a.m.
| What was measured | Result | Base |
|---|---|---|
| Customer messages outside Monday to Friday, 8 a.m. to 6 p.m. | 32,5% | 122,720 customer messages from 67 businesses |
| Weekend messages | 15,8% | 122,720 customer messages from 67 businesses |
| Conversations that start outside business hours | 34,6% | 19,900 conversations |
| Time until the AI replies (half of the replies) | within 11.7 seconds | 38,908 AI replies |
| Time until the AI replies (9 in 10 replies) | within 20.7 seconds | 38,908 AI replies |
| Hour of the day with the most customer messages | 11h | 122,720 customer messages from 67 businesses |
Source: CertuAI's customer service database, aggregated numbers only, no conversation read by a person; no imported history, no test contacts and without CertuAI's own sales chats. July 30 to September 30, 2026, measured on Oct 9, 2026. Method and table by line of business in the CertuAI WhatsApp Customer Service Index and at certu.com.br/dados.
Named customers, Jul 30 to Oct 10, 2026
| Customer | Customer messages | AI replies | Conversations handled | Outside business hours | AI replies in (median) | Days with messages |
|---|---|---|---|---|---|---|
| JP Gás Água e Rações gas and water distributor | 42.832 | 23.351 | 6.479 | 33,6% | 9,8 s | 70 |
| CEMIP medical clinic | 12.472 | 6.484 | 2.436 | 18,7% | 11,4 s | 37 |
| Nikiti Auto Center auto center | 4.912 | 3.548 | 900 | 19,5% | 14,4 s | 47 |
| Imobiliária Rodrigues & Ribeiro real estate agency | 6.090 | 2.759 | 823 | 33,2% | 18,4 s | 34 |
| Alpha RH human resources | 3.082 | 1.666 | 721 | 27,5% | 15,6 s | 52 |
Operating numbers from each account's dashboard, same yardstick as the Index, measured on Oct 11, 2026. Published with each owner's permission. Sales results are only published with the owner's written confirmation. Full list at certu.com.br/casos.
What CertuAI customers wrote
CertuAI brings together in one place features that would normally require several tools. Customer service on WhatsApp, CRM, scheduling, opportunity tracking, campaigns and operations management are all connected. Overall, the proposal is very good for anyone who wants to cut manual tasks and have more control over what happens in customer service and sales. [...]
Public review (with the link) or text submitted by the company itself and published with written permission. The rating only appears when the source has a rating.
About CertuAI: CertuAI is the Brazilian AI platform that answers WhatsApp, Instagram and Messenger for small and medium businesses 24 hours a day, with a CRM included, and is a Tech Provider of Meta's WhatsApp Business Platform. Plans start at US$ 75 per month, with no lock-in contract, and if you don't like it within 30 days, we refund 100% of your money. Create my agent
The question is always the same, only the car changes: how much is an oil change, how long does it take, do I need to book? The agent answers from the table you wrote, asks for model, year, engine and mileage when the car is not in it and books the time in the bay.
See the AI agent demos and the CRM with auto shop examples.
What is the best WhatsApp chatbot for oil change shops in Brazil?
The best WhatsApp chatbot for oil change shops in Brazil is the one that answers on the number the shop already uses, with the business rules written by you. An AI agent on WhatsApp for an oil change shop is an automatic assistant that asks for model, year, engine and mileage, gives the oil and filter only when the owner wrote the table for that car, answers how long the service takes and books the spot in the bay. It does not diagnose: leaks, warning lights and oil consumption go to a person.
Summary in 7 facts
- The question is always the same, only the car changes: how much is an oil change, how long does it take, do I need to book?
- The agent answers from the table you wrote, asks for model, year, engine and mileage when the car is not in it and books the time in the bay.
- See the AI agent demos and the CRM with auto shop examples.
- The best WhatsApp chatbot for oil change shops in Brazil is the one that answers on the number the shop already uses, with the business rules written by you.
- An AI agent on WhatsApp for an oil change shop is an automatic assistant that asks for model, year, engine and mileage, gives the oil and filter only when the owner wrote the table for that car, answers how long the service takes and books the spot in the bay.
- What changes is who answers first: the message no longer waits for you and is answered right away.
- These are four everyday situations at an oil change shop, before and after the Certu Agent.
By the numbers
| Number | What it means |
|---|---|
| US$ 75 per month | The Start plan costs US$ 75 per month and already includes the WhatsApp agent, your business's Brain, the CRM, automatic follow-up and the AI assistants, which come with every paid plan. |
| US$ 120 per month | Pro costs US$ 120 per month and adds the landing page, the wallet and 10 people on the team instead of 5. |
What changes for the oil change shop with an AI agent?
What changes is who replies first: the message no longer waits for you and is answered right away. These are four everyday situations at an oil change shop, before and after the Certu Agent.
TodayA price is given without knowing the engine, and then a complaint when the car takes more liters
With CertuAIThe agent only answers after knowing model, year and engine, from the table you wrote
TodayWith the car on the lift and hands covered in oil, nobody answers WhatsApp
With CertuAIReply right away, and the team only looks at the day's schedule
TodayA driver describes oil level dropping and gets a diagnosis by message
With CertuAIThe agent notes what they reported and passes it to a person, without offering an opinion on the cause
TodayA customer changes oil once and the next time goes to the nearest gas station
With CertuAIThe contact stays in the CRM with the date and mileage of the oil change, ready for the return rule you create
What does a conversation handled by the AI look like?
Example conversation
Oil change AI agent
Customer: How much is an oil change with filter for my car?
AI agent: Send me the model, year, engine and current mileage and I'll check the table.
Customer: Do I need to book a time or is it first come, first served?
AI agent: I have your open slots. Want me to book a spot?
Is an AI agent or manual service better for oil change shops?
The agent wins on repetitive tasks, and a person keeps winning where judgment is needed. With manual service, someone at the oil change shop has to stop what they are doing; with the Certu Agent the reply goes out on its own and you step into the conversation whenever you want.
| Aspect | The manual way | With the CertuAI agent |
|---|---|---|
| Question about the oil change price without saying the engine | Answered with a guess, and the price changes when the car arrives | The agent asks for model, year and engine before answering from your table |
| Car that is not in the table | Someone stops the oil change to look it up in the catalog | The agent does not risk a specification: it notes the details and passes it to you |
| Saturday morning line | Everyone arrives at once and half give up waiting | Time booked on the schedule you configured, or the first-come rule explained beforehand |
| Customer who wants to bring their own oil | Each attendant states a different condition | The rule you wrote, the same for everyone |
| Calling the customer back for the next oil change | Depends on the windshield sticker and their memory | The car stays in the CRM, and the return message goes out under the rule you create |
What does the WhatsApp agent do for oil change shops?
It does the customer service that is yours today. You teach the business once in the Brain, CertuAI's knowledge base, and the agent answers drivers your way, with your rules.
Collecting the car's details
Model, year, engine, fuel and current mileage, which is the minimum needed to pick the right oil and filter.
Oil and filter from your table
Gives viscosity, liters and filter only for the cars you registered. Outside the table, it records the request and passes it on.
Time, wait and duration
Books the spot using the hours you configured or explains first come, first served, and says how long the service usually takes in your bay.
What is included in the oil change
Oil filter, air filter, fuel filter and cabin filter, additive and drain plug washer: what is included, what is extra and what you do not do.
History and return visits
Each oil change stays in the CRM with date and mileage. With the rule you create, the customer receives the return message you wrote.
What questions do drivers send on WhatsApp?
They are always the same, and the agent answers each one on its own. These everyday messages at an oil change shop no longer depend on you having your phone in hand.
How does the agent start answering customers at the oil change shop?
In three steps, on the same day. No installation, no code and no changing the number that drivers already know.
Teach your business
In one conversation, you explain catalog, prices, delivery, warranty, and rules, the way you would to a new employee.
The agent answers
It answers right away, records each order and quote in the included CRM, and contacts again those who went quiet.
How much does an AI agent on WhatsApp cost for oil change shops?
The Start plan costs US$ 75 per month and already includes the WhatsApp agent, your business Brain, the CRM, automatic follow-up and AI assistants, which come with every paid plan. Pro costs US$ 120 per month and adds the landing page, the wallet and 10 people on the team instead of 5. No contract and no setup fee.
Get started now
Create my agentWhat needs to be ready before turning the agent on at the oil change shop?
The agent answers what is written, and nothing beyond that. Have these points defined before you connect WhatsApp.
- The table of the cars that show up most in your bay: model, year, engine, viscosity, liters and filter
- What is included in the basic service and what is charged separately, filter by filter
- Whether you serve by appointment, first come first served or both, and how long each oil change takes
- The rule for customers who bring their own oil or their own filter
- What the shop does not do: automatic transmissions, differentials, motorcycles, diesel pickups or whatever applies to you
Whether the agent gives a fixed price for the cars in the table or whether it only books the time and the price is confirmed in the bay.
The most common mistake: Writing a table by model, without year and without engine. The same car name uses different oils depending on the generation and the engine, and the agent will answer with whichever line it finds. An incomplete table is worse than a short table: register fewer cars, with all three fields.
Frequently asked questions from oil change shops
Does the agent say which oil goes in my car?
Only when you wrote it. If the model, year and engine are in your table, it gives the oil and filter you registered. If they are not, it notes the car's details and passes it to a person, without guessing a specification.
And when the customer describes a leak or the oil warning light on?
The agent does not diagnose. It records what the driver said, says the assessment is done by a person with the car in the bay and passes the conversation on.
Does it remind the customer about the next oil change?
The return message goes out under the rule you create in the CRM, with the text you wrote and the interval you recommend. Without that rule created, the history is saved, but nothing is sent on its own.
Does it work for shops that serve people first come, first served, without a schedule?
Yes. In that case the agent explains the first-come order, the quietest time you gave it and the average service time, and records the contact the same way.
In what other fields does the CertuAI agent work?
In any business that serves customers on WhatsApp, because the Brain is written by you. These fields have a day-to-day closest to yours.
Where can I read more about CertuAI's WhatsApp agent?
These pages explain the same agent from another angle: how it works, price, common questions and comparisons between platforms.
In short
Answers the oil and filter from the table you wrote, books the time and collects model, year and mileage. Every car becomes a contact and a task in the CRM.
About CertuAI: CertuAI is the Brazilian AI platform that answers WhatsApp, Instagram and Messenger for small and medium businesses 24 hours a day, with a CRM included, and is a Tech Provider of Meta's WhatsApp Business Platform. Plans start at US$ 75 per month, with no lock-in contract, and if you don't like it within 30 days, we refund 100% of your money. Create my agent