How to Increase or Decrease the Tire Pressure to Set the TPMS

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All vehicles manufactured after 2008 have a TPMS (tire pressure monitoring system) installed in them. After replacing a sensor or rotating the tires, you must reset the TPMS. You can also reset the system to clear out a fault. Resetting methods vary by manufacturer, although many vehicles require the use of a specialized tool to reset the TPMS. Most GM vehicles, however, have internal controls that increase and decrease the pressure in a tire to reset the TPMS in a process referred to as "learning."

  • Turn the key to the "ON" position but do not start the vehicle. Press and release the Driver Information Center "INFO" button. Cycle through the options until "Tire Learn" is displayed and press and hold the "RESET" button until you hear a double-chirp from the horn.

  • Raise the tire pressure in the passenger front tire no less than 10 psi. The system will detect the change in tire pressure and you will hear the horn chirp once. The TPMS cycles every 30 seconds. Continue to raise the pressure in the tire until the horn chirps.

  • Repeat the process for the passenger rear tire, then the driver rear tire, and finally the driver front tire. You will hear the horn chirp once for each tire. The driver front tire will cause the horn to chirp twice signalling the tires have all been reset.

  • Remove the key and return each tire to the proper pressure.

Tips & Warnings

  • Most GM vehicles will alert you as to the proper order for learning the tires by lighting the turn signal on that corner of the car. For example, when you need to learn the passenger front tire, the passenger front turn signal will illuminate.
  • This method does not apply to all vehicles. Consult your owner's manual or dealer for vehicle-specific methods.

References

  • Photo Credit Jupiterimages/Photos.com/Getty Images
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