I was driving on the NYS Thruway with lane assist and cruise control enabled. This is after already having an issue with my computer where the car a couple of months ago just stopped in the middle of the road. This morning I was driving on the Thruway when suddenly, if felt like the collision impact system was engaged and the car shifted to the right slamming into the car next to me. No airbag deployment but extensive damage and collision system was completely engaged. The car issued no warnings or other issues afterwards. NYSPD arrived and completed report. Another car was involved. Only side damage.