2022Q345

2022 Q3 progressive with pre-sense. 30000 km (20000 miles). Its a CPO. Had the car for 4 months now. This happened 4 times. All 4 times happened when we are under hard-ish acceleration, about 50% to 75% of pedal. The car would actually stab the brake in an abrupt fashion, for about half a second, very noticeable, and then reaccelerate. First 2 times this happened in the city and we thought it was pre-sense kicking in. Today I had presense turned off, we were driving in a windy highway, and this problem constantly kicked in every few seconds. And it followed by complete loss of power. We had to pull to the shoulder. Shut the car off, and restart. This happened again about an hour later. Same thing. Any suggestions?