2018 RX 350 Infotainment Screen Freezing and Blacking Out

ClearTheCode guidance (Lexus · Electrical & electronics)

Summary: For 2018 RX 350 Infotainment Screen Freezing and Blacking Out, work through these steps on your 2016+ vehicle:

1. Confirm the symptom — note when it happens (cold start, highway, after fuel fill, etc.).
2. Scan codes — save all pending/stored DTCs; don't clear until you've recorded them.
3. Check TSBs & recalls — look up your VIN for open campaigns and known fixes.
4. Inspect the obvious — related fuses, connectors, fluid level, and recent repairs.
5. Test the common fix — follow model-specific service procedures; one change at a time.
6. Escalate if needed — burning smell, no brakes, overheating, or stalling in traffic → shop visit.

Owner reported: My 2018 Lexus RX 350 F Sport has been having intermittent issues with its infotainment system. The screen will freeze completely, sometimes go black for a few seconds, and then come back on. The touch functionality also stops working when this happens. It's really frustrating, especially when using navigation.

I've tried restarting the car multiple times, but the problem persists. It seems to hap…

This is educational guidance, not a substitute for hands-on diagnosis.