Isserley's body is essentially ruined while the hitchhiker is thrown through the window, still alive. Isserley ponders what will happen to her body, as she must activate an explosive that will destroy all evidence of the crash, and her.
After being injured in a crash, Isserley's body is severely damaged while the hitchhiker escapes with injuries and is thrown through a window.  Isserley is left to contemplate what will happen to her body as she must activate an explosive device to cover up the accident and destroy any evidence of it, including herself.