2019-2021 Cadillac XT4 TPMS Tire Pressure System Light Reset Guide

Time needed: 7 minutes

If you replacing a spare tire with a road tire containing the TPMS sensor on your Cadillac XT4, the system will detect a malfunction and the low tire pressure warning light will blink. When that happens, the TPMS sensor reset process must be done. You’ll need TPMS Relearn Tool to reset the Tire Pressure Monitoring System in this model. Follow these instructions to get started:

1. Turn the ignition key to the “ON” position without starting the engine

   If your vehicle has an ignition button, press the Engine Start/Stop button without touching the brake pedal

2. Go to the INFORMATION tab menu by using the ◄ ► navigation button

   The button is located on the steering wheel
   

3. Scroll down to the “TIRE PRESSURE” menu

   Use the ▼ navigation button to scroll down

4. Press and hold the thumbwheel to enter the relearn mode

   A confirmation message may appear on the display

5. Press the thumbwheel button if a confirmation message appears on the screen

   The horn will sound twice and the TIRE LEARNING ACTIVE message will appear on the screen

6. Start from the driver side front tire, use the TPMS Relearn tool to activate the tpms sensor

   Place the relearn tool against the tire sidewall, near the valve stem. Then press the button to activate the TPMS sensor

7. Repeat the process for the passenger side front tire, passenger side rear tire, and the driver side rear tire

   A horn chirp will confirm that the sensor has been reset

8. Turn off the ignition after you reset the last tire

   The TIRE LEARNING ACTIVE message will disappear

9. Adjust the tire pressure in all four tires recommended on the tire placard

   Done!