DI family
DI_a180_crsSeatbeltUnbuckled
Cruise control unavailable
What does the DI_a180_crsSeatbeltUnbuckled alert mean?
Cruise control is unavailable because the drive interface (DI) electronic control unit (ECU) detects that the driver's seatbelt is unbuckled.
What you'll see in your Tesla
- Cruise control unavailable
- Driver's seat belt is unbuckled
What triggers it
Cruise control is requested, and the DI ECU detects that the driver's seatbelt is unbuckled.
When it clears
The DI ECU detects that the driver's seatbelt is buckled.
Potential impact
Cruise control is unavailable.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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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.