Automatic Emergency Braking (AEB) System Malfunction

Complaints indicate the AEB system can activate erratically or without warning, potentially causing discomfort or near-miss incidents. Calibration issues or sensor obstructions can be causes. Estimated repair cost: $500 - $2,000.

Child Seat Latch Usability

One complaint noted issues with the usability of child seat latches, impacting secure installation.

Dashboard Glare on Side Mirrors

Dashboard reflections on the side mirrors can create a visibility hazard.

2017 Toyota Mirai Maintenance guide

Name: Maintenance dataset for 2017 Toyota Mirai
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

The 2017 Toyota Mirai requires diligent attention to its unique hydrogen fuel cell system, particularly the fuel cell radiator's vulnerability to road debris. Regular inspections are paramount to prevent power loss.

View Critical Issue: Fuel Cell Radiator Damage

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Reliability Score

Est. Annual Maintenance Cost

Not available

TSBs & Recalls

85 TSBs | 0 Recalls

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Key Takeaways

The fuel cell radiator is a critical component requiring regular inspection for damage from road debris due to its exposed location. Failure can result in vehicle power loss.
The automatic emergency braking (AEB) system has shown erratic behavior, including unintended activations. Verification of its proper function and warnings is essential.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance