How do yo reset tire pressure monitoring system on 2005 Cadillac dts deville?

To reset the Tire Pressure Monitoring System (TPMS) on a 2005 Cadillac DTS DeVille, first ensure that all tires are inflated to the recommended pressure. Then, turn the ignition to the "On" position without starting the engine. Press and hold the TPMS reset button, typically located under the dashboard or on the center console, until the TPMS light blinks three times. Finally, start the vehicle and allow it to run for a few minutes to complete the reset.