Which Universe?

In the story (Title unknown too) the ,
01. Set in the US
02. Protagonist "mutates"
03. Protagonist is highschool age, 15-17?
04. Protagonist can drive
05. Family becomes hostile
06. Runsaway - point 3 - term used as protagonist just short of Adult age.
08. Takes Car - point 3 - questioned ownership on age grounds
09. Car breaks down outside destination town
10. Protagonist's suspected other parent resides in town

Pretty sure the "mutates" refers to either a Twist or Morfs as both 'Universes' have "SAFE" towns\citys but I may be wrong