A 64-year-old Lehigh County man died early Tuesday after being exposed to carbon monoxide when a car was left running in a garage by accident.

The man was pronounced dead just before 1 p.m. at his home in Salisbury Township, according to Lehigh County Coroner Daniel A. Buglio. The coroner said the man’s death was caused by carbon monoxide toxicity, with the manner accidental.

The accumulation of carbon monoxide led to his death, the coroner said.