FSD v14.3.9 adds collision-detection safety intervention
Tesla's latest Full Self-Driving update introduces automatic activation to prevent imminent collisions when AEB alone may not suffice.
Tesla AI announced that FSD Supervised v14.3.9 is beginning to roll out, bringing a new active safety feature to the system. According to the announcement, "FSD Supervised can now activate on your behalf when an imminent collision is detected and Automatic Emergency Braking (AEB) may not be enough."
The feature represents an expansion of FSD's intervention capabilities beyond traditional emergency braking. Rather than waiting for the driver to respond or relying solely on AEB, the system can now take direct control when the software detects an impending crash scenario.
The source summary was truncated and did not specify additional details about the rollout timeline beyond "shortly" or other conditions under which the feature might engage. Tesla has not yet provided complete documentation on the feature's activation thresholds or how it interacts with other safety systems.
"FSD Supervised v14.3.9 starting to roll out shortly This release includes a new active safety feature set: FSD Supervised can now activate on your behalf when an imminent collision is detected and Automatic Emergency Braking (AEB) may not be enough. It may also engage if we"— X · @Tesla_AI