How to Reset the Tire Pressure Light (TPMS) on a Cadillac ELR

1. Set the parking brake and place the vehicle power mode in ON/RUN.
2. Turn on the Tire Pressure info display option in the DIC Settings menu.
3. Use the five-way DIC control to scroll to the Tire Pressure screen.
4. Press and hold SEL; two horn sounds and TIRE LEARNING ACTIVE show relearn mode is on.
5. Hold the relearn tool to each tire sidewall near the valve stem and press its button, starting at driver front, then passenger front, passenger rear, driver rear.
6. After the final horn sounds, shut the ignition off and set all four tires to the pressure on the Tire and Loading Information label.

• You have two minutes for the first tire and five minutes overall, or the process stops and must be restarted.
• A relearn tool is available from your dealer or www.gmtoolsandequipment.com.

Source: 2016 Cadillac ELR owner's manual, PDF pages 284, 285. Steps are summarized in our own words (AI-assisted, checked against the cited pages 2026-10-18). Other model years can differ; your manual has the final word.