Alcohol Sensor - Documentation

• Eligible Device: PRO7 V3 only

• The Alcohol Detection must be enabled on the customer's account 
• Setting: PRO_ALCOHOL_DETECTION_ENABLED - 1

I. Alcohol Detection Procedure

After the ignition is turned on, the camera requires:

• 20 seconds to power up
• An additional 40 seconds to warm up the alcohol sensor

The driver can begin the alcohol test after a total of 60 seconds.

When the feature is enabled, the camera provides voice guidance throughout the procedure.

II. Voice Guidance Sequence

After Ignition On (20 seconds)

1. “Getting ready: The alcohol sensor is preparing. Please wait.”

The system is initializing and preparing the alcohol sensor.

After 40 Additional Seconds

2. “Please blow continuously toward the camera for 3 seconds.”

The driver must maintain a steady and continuous airflow directed toward the camera for the full duration.

3. “Please blow harder.”

If sufficient airflow is not detected during the previous step, the system will request a stronger breath sample. Airflow must still remain continuous and steady.

4. “Analyzing sample.”

The system analyzes the collected breath sample.

III. Results

- No Alcohol Detected

Voice prompt:
 “No alcohol detected. Drive safely.”

• An Alcohol trigger event is generated.
• No alcohol review is attached to the event, indicating that alcohol was not detected.
• This information is available in the event details within the Nexus platform.

- Alcohol Detected

Voice prompt:
 “Alcohol detected. We advise you not to drive the vehicle.”

• An Alcohol event is generated.
• The event includes an “Alcohol” review, indicating alcohol detection.
• This information is available in the event details within the Nexus platform.

- No Breath Detected

If no valid breath sample is detected, the system announces:

“Time expired.”

There are approx. 3 minutes until timeout. To restart the procedure, the driver must turn the ignition off and then on again.

IV. Reports

• Alcohol test results are not included in reports.

V. Disclaimer and Usage Recommendations

For accurate alcohol detection results, ensure the following conditions are met before and during the test:

• Keep all vehicle windows closed.
• Do not wash the windshield during the procedure.
• Turn off the air conditioner.
• Avoid using perfumes, air fresheners, disinfectants, or alcohol-based cleaning products before testing.
• Ensure there are no alcoholic beverages or open alcohol containers inside the vehicle.
• Follow all system instructions carefully.