How do you reset the TPMS on the 2002 Cadillac DTS?

To reset the Tire Pressure Monitoring System (TPMS) on a 2002 Cadillac DTS, first ensure all tires are properly inflated to the recommended pressure. Then, turn the ignition key to the "On" position without starting the engine. Press and hold the TPMS reset button, usually located under the steering column or in the glove box, until the TPMS indicator light blinks three times. Finally, release the button, turn off the ignition, and start the vehicle to confirm the reset was successful.