40X
return on investment*
9.5X
open rate vs. email*
32.5X
response rate vs.. email and 2.1X response rate vs. call center*
50X
conversion rate vs. email and 5X conversion rate vs. call center*
*Results are self-reported and not identifiably repeatable. Generally expected individual results will differ.
Their Story
Toyota sales and service
With three locations across southern Buenos Aires, Toyota Zento specializes in new and used vehicle sales, genuine Toyota spare parts and certified post-sales maintenance and repair.
Their Goal
Long-term customer retention
Toyota Zento sought to overcome a common challenge in the automotive industry: the “post-warranty cliff,” where post-warranty customers leave for independent repair shops once their initial coverage expires, resulting in the loss of long-term revenue.

“WhatsApp has become an indispensable tool for us. The ability to send predictive, personalized service reminders via utility messages has not only transformed our post-sales process but also allowed us to build stronger, more lasting relationships with our customers. The results speak for themselves: a 40X return on investment and a significant increase in service bookings.”
Micaela Zuiani,
Marketing Manager, Toyota Zento
Their Solution
AI-enabled service reminders
Toyota Zento didn’t want to be seen as a one-time transaction point, but a lifetime service partner. It teamed up with Volanti to implement a proactive, data-driven strategy to recapture dormant leads and maximize the lifetime value of every vehicle sold.
The solution combined utility messages on WhatsApp with a proprietary AI model developed by Volanti that leveraged the dealership’s CRM data to predict the exact moment a customer’s vehicle was approaching a service milestone. Instead of sending generic service reminders, Toyota Zento was able to more accurately predict when a customer’s car was due for a specific service, then automatically send a personalized service reminder via utility messages on WhatsApp. The messages were sent to customers who’d previously opted to share their mileage and usage patterns with Toyota Zento in order to get service reminders.
This approach removed the difficulty of manually tracking each customer’s service history, turning routine maintenance tasks into conversational experiences that helped deliver value for customers.
People could confirm service appointments and approve repair estimates at their own convenience directly on WhatsApp, which eliminated the hassle of back-and-forth phone calls. Additionally, the service team could send photos and video walkthroughs directly from the service bay, which helped build trust and accelerate the decision-making process for customers.

Their Success
Higher sales and ROI
After measuring a year of performance (January 2025-January 2026), Toyota Zento reported strong return on investment, higher open rates than email and higher response and conversion rates than email or phone calls:

- 40X return on investment*
- 9.5X open rate vs. email*
- 32.5X response rate vs.. email and 2.1X response rate vs. call center*
- 50X conversion rate vs. email and 5X conversion rate vs. call center*
*Results are self-reported and not identifiably repeatable. Generally expected individual results will differ.
“Through our work with Zento, we saw firsthand how impactful utility messages and personalization can be at scale. At Volanti, we are building on that experience to redefine how dealerships connect with their customers across the entire organization.”
Matias Supervielle,
Co-Founder & CEO, Volanti
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