Just saw this exploded cop car driving around after sending not-glados back to delamain. Also had a whole cool car chase followed by a bike crash when taking that one cab slowly back to del though and another took me past the the car I'm driving so huge improvements overall.
If you are on linux you can find the solution here: Steam forum
Probably you can hex edit it on windows too, but I don't have it so I'm unsure how or which program to use. Maybe in the discussions there are some tips.
Hex Edit