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

1. Set the parking brake.
2. Turn the ignition to ON/RUN with the engine off.
3. Press the RKE transmitter's Q and " buttons together for about five seconds.
4. Listen for two horn sounds and check that TIRE LEARNING ACTIVE shows on the DIC.

• Sensors are matched with a relearn tool in this order: driver front, passenger front, passenger rear, driver rear.
• You have two minutes for the first tire and five minutes overall, or the process stops and must be restarted.
• The provided pages end partway through the procedure, so the remaining steps are not shown; see your dealer for service or a relearn tool.

Source: 2013 Cadillac Escalade EXT owner's manual, PDF pages 379, 147. 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.