Anne Heche’s cause of death has been determined by officials.

The Six Days, Seven Nights star died from inhalation and thermal injuries stemming from a car crash on Aug. 5, according to records from the Los Angeles County Department of Medical Examiner-Coroner reviewed by E! News.

Per the coroner’s office, other “significant conditions” that contributed to her death included a sternal fracture due to blunt trauma.

Her manner of death has been ruled as an accident and the records list Aug. 11 as the date of her passing.