UI family
UI_a186_ELKSUnavailable
Lane Departure Avoidance unavailable
What does the UI_a186_ELKSUnavailable alert mean?
Active Safety Emergency Lane Keep System (ELKS) feature unavailable
What you'll see in your Tesla
- Lane Departure Avoidance unavailable
- Not Available
What triggers it
ELKS feature enabled in the region and unavailable.
When it clears
ELKS feature functions becomes available.
Potential impact
Potential lack of ELKS active safety feature
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.