Electronic System Glitches

A high TSB count suggests potential for various minor electronic issues, such as intermittent warning lights, infotainment system quirks, or sensor malfunctions. These are typically addressed via software updates or component replacement. Estimated repair cost: $100 - $500.

CARFOCALvehicle research

2021 Lexus RX Maintenance guide

Name: Maintenance dataset for 2021 Lexus RX
Creator: Carfocal

v1.0Updated Jul 5, 2026Daniel Wilson4 Sources Analyzed2 Critical Recalls

MAINTENANCE SUMMARY

The 2021 Lexus RX, with a 'Good' reliability verdict and an 8.0 public score, presents a generally sound ownership proposition. However, owners should be aware of a critical safety recall concerning the front passenger airbag system.

View Critical Issue: Occupant Classification System (OCS) Sensor Failure

Subscribe to Recall Alerts Subscribe to Recall Alerts

Reliability Score

Est. Annual Maintenance Cost

$700 - $1,200

TSBs & Recalls

9 TSBs | 2 Recalls

CarFocal account required

Unlock the Full 2021 Lexus RX Maintenance Guide

Create a free account to reveal the full service schedule, repair costs, and deeper diagnostic data.

Key Takeaways

Proactive maintenance ensures the longevity of the 2021 Lexus RX.
Address the critical Occupant Classification System (OCS) sensor recall promptly.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance