FSD changes lanes without signalling in heavy afternoon traffic
Summary
With FSD engaged during afternoon rush hour, the vehicle changed lanes without signalling; the curator describes the manoeuvre as risky given the traffic.
Written by White Box Autonomy from the sources listed below.
What is observable from the evidence
- FSD was engaged (curator's first-hand account).
- The vehicle changed lanes with no indicator shown.
- Traffic was heavy; no incident reported.
Automation status
Driving automation engaged — confirmed
Whether the driving-automation feature was engaged is a separate question from whether it caused the event.
System / software version
13.2.9
Causal attribution
Undetermined
The available evidence does not establish a cause. Involvement of a driving-automation system is not the same as its being a cause.
What remains unknown
- The exact day within March 2026.
- The gap accepted and the proximity of following vehicles.
Interpretation
No interpretation is offered for this event.
Sources & evidence
The sources below are the evidence. The summary and any interpretation on this page are written by White Box Autonomy and are not themselves evidence.
YouTube video · White Box Autonomy
About this record
Review status: Curator-reviewed. What the review statuses mean.
Record last reviewed or updated: 1 September 2026.
To report an error or raise a concern about this record, contact zuduo.zheng@uq.edu.au.