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Owners have filed 2 complaints with the National Highway Traffic Safety Administration for the 2026 Polestar Polestar 4.
“Intermittent false object detection from a front parking sensor. The instrument display shows a red warning bar indicating an object directly in front of the vehicle, accompanied by continuous audible beeping, when no object is present. This has been occurring for approximately 6 months, recurring…”
“I recently purchased this vehicle at McDonalds Polestar Denver. This vehicle is currently experiencing un-commanded, sudden emergency braking while reversing. The Rear Auto Brake (RAB) system frequently triggers a false positive, causing the vehicle to slam on its brakes violently as if hitting an…”
Source: National Highway Traffic Safety Administration — official recalls and owner-filed complaints, shown as reference data, separate from KnownCars community posts. Had one of these problems yourself? Create a free account and post it.