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2015 Lexus LS Maintenance guide

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

The 2015 Lexus LS, while generally reliable, presents a notable concern regarding its braking system, specifically the brake booster and actuator. These components can fail at higher mileages, leading to reduced braking performance and illuminated ABS and Pre-Collision System warning lights.

View Critical Issue: Brake Booster and Actuator Failure
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Reliability Score

9.3/ 10

Est. Annual Maintenance Cost

$500 - $800

TSBs & Recalls

2 TSBs | 0 Recalls

SummaryMaintenance & CostsCommon FailuresSymptoms & PreventionKeep ReadingFAQSources

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Key Takeaways

  • Brake System Integrity: The most significant maintenance concern for the 2015 LS involves the brake booster and actuator. Failures can compromise braking performance, necessitating vigilant inspection.
  • Preventative Maintenance: Adhering to the recommended service schedule, especially for synthetic oil changes and brake fluid flushes, is crucial.

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MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

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Shop Parts

Quick links for routine service and common repair parts.

  • 5W-30 Synthetic Engine Oil
  • Engine Oil Filter
  • Oil Filter
  • Engine Air Filter
  • Cabin Air Filter

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