Provincial police have now released the name of the woman killed in a crash in Lakeshore on Wednesday.
Police say 53-year-old Brenda King of Chatham was pronounced dead at the scene.
The OPP say it's believed King's vehicle left the road sometime overnight on Tuesday and submersed in a water filled ditch.
A passerby contacted police after seeing the vehicle on Wednesday at 7am.
Officers attended Tecumseh Rd. near Lighthouse Rd. shortly after.
The OPP's Technical Collision Investigation Unit also attended the scene and has since completed its investigation.