Where is the diagnostic connector for a 2000 Cadillac Seville?

The diagnostic connector for a 2000 Cadillac Seville is located under the dashboard on the driver's side. Specifically, it can be found near the steering column, just above the pedals. You may need to remove a cover or look closely to see it, as it can be somewhat hidden. This connector is used for accessing the vehicle’s onboard diagnostic system.