Air Bag Occupant Classification System (OCS) Sensor Defect

A defect in the OCS sensor assembly can prevent the front passenger airbag from deploying. This is a critical safety issue identified in recalls. Estimated repair cost: $300 - $800.

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2018 Lexus LS Maintenance guide

Name: Maintenance dataset for 2018 Lexus LS
Creator: Carfocal

v1.0Updated Jul 5, 2026Daniel Wilson4 Sources Analyzed3 Critical Recalls

MAINTENANCE SUMMARY

The 2018 Lexus LS, with a combined MPG of 21, requires diligent attention to its 5 recalls and 23 TSBs. Key concerns include potential issues with the Air Bag Occupant Classification System (OCS) sensor and tire sidewall integrity, which have led to critical safety recalls.

View Critical Issue: Tire Sidewall Cracking and Tread Separation

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

23 TSBs | 5 Recalls

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Key Takeaways

Prioritize verification of critical safety recalls concerning airbags and tires.
Regular tire inspections are essential due to potential sidewall issues.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance