A sergeant in the Uruguayan army who is assigned to his country's embassy here was found shot to death yesterday inside his parked car in an underground parking lot across the street from the office of the Uruguayan military attache, D.C. police reported.

Carlos Virgilio Torres, 45, of 4400 East West Highway, Bethesda, suffered two gunshot wounds to the head, police said. He was found sprawled on the back seat of his car in the parking lot at 1018 19th St. NW, police said.

His body was taken to the medical examiner's office, where an autopsy to determine the cause of death was to be performed. Police had not detemined whether the incident was a suicide or a homicide.

According to police, a staff member of the Embassy of Uruguay telephoned police at 12:45 p.m. to report the segeant missing. A colleague reported seeing his car in the basement parking garage across the street from the Uruguayan office, police said. When police checked the car, they found the body.

They also found a .38-caliber gun inside the car police said. It was unclear whether the gun was registered to the victim, who had been assigned here for 3 1/2 years.

A State Department spokesman said the department had been contacted by the police and the FBI both of which are investigating the death.

A State Department spokesman confirmed that Torres was in this country on assignment to the Embassy of Uruguay.