Level 2 automation doesn't typically switch lanes. I'd wager 10-to-1 odds this was an active mistake by the driver. It is possible, however, that the car was

Level 2 automation doesn't typically switch lanes. I'd wager 10-to-1 odds this was an active mistake by the driver. It is possible, however, that the car was in lane-following mode and got horribly confused (in which case, it is still a mistake by the driver, just different).