NHTSA Complaint #11531745 — 2021 POLESTAR POLESTAR 2

While turning at moderate speed into a parking lot across traffic, a rear passenger side suspension component (potentially lower control arm) failed, causing excessive toe and camber on both sides of the rear axle as the components shifted around. At this point, the car stopped driving straight, and crabbed to the side aggressively. It seems to me that some suspension component is either at the design limit in this application and received enough stress to fail during normal operation, or a manufacturing defect wasn't caught and failed over time. My safety was put at risk as the rear wheel was no longer pointed in the direction of travel. Had this occurred at a higher speed (highway cloverleaf for example) complete loss of control of the vehicle would have been likely. Had this failure prevented me from entering the parking lot, I would have been left perpendicular to the flow of traffic and at high risk of collision with other drivers. The problem has been observed by the dealer service center, though they do not yet understand the cause. The components have been inspected by a service tech, but not by any manufacturer representative as far as I'm aware. There were no warnings or other presentation. When the tow driver struggled to drive the car onto the truck, he remarked in surprise that the car still showed no sign that it knew there was a problem. We were unable to get the car entirely onto the trailer, as it pushed sideways threatening to fall off of the ramps. The driver had to secure the vehicle to the ramps and take it like that.