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Home >> Hummer >> 2009 >> H2 4D Utility Pickup >> Repair and Diagnosis >> General Information >> Reset Procedures >> Tire Pressure Monitor Systems >> TPMS Reset Procedures >> Tire Pressure Sensor Relearn >> Using Keyless Entry System

Using Keyless Entry System

  1. Turn ignition switch to ACCY position. Apply parking brake.
  2. Simultaneously press the keyless entry transmitter's lock and unlock buttons until a double horn chirp sounds, indicating the learn mode has been enabled.
    NOTE: The left front turn signal will also illuminate to indicate the learn mode has been enabled.
  3. Starting with left front tire, follow either of these 2 procedures:
    • Increase/Decrease Method:  Increase or decrease tire pressure for 8-10 seconds, then wait for the horn to make a chirp sound. The horn chirp may occur before the 8-10 second pressure increase/decrease time period has been reached, or up to 30 seconds after the 8-10 second pressure increase/decrease time period has been reached
    • Sensor Activation Tool Method:  Starting with the left front tire, hold the sensor activation tool against the tire wall aiming upward with the antenna. Press the activate button and wait for a horn chirp.
  4. After horn chirp has sounded and the right turn signal has illuminated, proceed as in step 3 or 4 for the next 3 sensors in the following order: right front, right rear and left rear.
  5. After left rear sensor has been learned, a double horn chirp will sound, indicating all 4 sensor IDs have been learned. Turn ignition switch to OFF position. Adjust all tire pressures to specification.
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