Service Brake System Failures

Incidents of ABS malfunction, brake lock-up, and steering wheel lock-up have been reported, with one significant event occurring at 19,000 miles. This poses a severe risk. Estimated repair cost: $400 - $1500+.

Exterior Lighting Issues

Complaints mention poor headlight throw for turns, impacting visibility and safety during nighttime driving. Estimated repair cost: $100 - $500.

Visibility/Wiper System

Minor issues related to the visibility and wiper system have been reported. Estimated repair cost: $50 - $200.

Vehicle Speed Control Issues

Some complaints relate to vehicle speed control, potentially linked to other system malfunctions. Estimated repair cost: $200 - $800.

CARFOCALvehicle research

2018 Toyota Yaris Maintenance guide

Name: Maintenance dataset for 2018 Toyota Yaris
Creator: Carfocal

v1.0Updated May 30, 2026Daniel Wilson4 Sources Analyzed

MAINTENANCE SUMMARY

The 2018 Toyota Yaris presents an average reliability profile, with a notable concern around its airbag system, specifically reports of non-deployment during collisions and indicator malfunctions. Another critical area for attention is the service brakes, with documented instances of ABS malfunction and brake lock-up occurring at relatively low mileage.

View Critical Issue: Air Bag System Malfunctions

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Reliability Score

Est. Annual Maintenance Cost

$1,200

TSBs & Recalls

55 TSBs | 1 Recalls

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Key Takeaways

Airbag system failures, including non-deployment and indicator issues, are the most significant reported problems.
Service brake malfunctions, such as ABS failure and lock-up, have been reported at low mileage.

4 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance