To unlock the device, a driver would have to blow into a tube that detects alcohol.
Police charged the driver with involuntary homicide and detected alcohol on his breath, but believed he did not intend to kill Ponce.
Motorists who are stopped for erratic driving have long faced tests to detect alcohol.
They said the autopsy did not detect drugs or alcohol in his body.
When the analyzer detects alcohol, the car's ignition switch is disabled and the car cannot be started until the test is passed.
He regularly "smells" pupils to detect alcohol, graffiti pens, and cannabis.
As part of his punishment, Sweeney will have to wear a device 24 hours a day, 7 days a week that detects alcohol.
The drug tests can detect trace elements of illegal substances, but do not detect alcohol.
An autopsy detected alcohol and Valium in her blood, but the coroner ruled the cause of death as an accidental drowning.
Still, that credible witnesses detected alcohol on the breath of on-duty officers is discouraging.