VCFRONT family
VCFRONT_a281_alcoholInterlockBlockingDrive
Successful alcohol test result required to drive
What does the VCFRONT_a281_alcoholInterlockBlockingDrive alert mean?
Drive blocked by alcohol ignition interlock device.
What you'll see in your Tesla
- Successful alcohol test result required to drive
- Provide breath sample to enable drive
What triggers it
A brake pedal press is detected when the vehicle is in Park (P) and the alcohol ignition interlock device has not yet allowed drive based on a successful alcohol test result.
When it clears
Alcohol ignition interlock device allows drive based on successful alcohol test result.
Potential impact
The vehicle is unable to drive.
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Track your Tesla's alerts automatically
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.