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Home >> GMC >> 1982 >> Magnavan Automatic Trans, Trans Mfr CD 400/M40 >> Repair and Diagnosis >> General Information >> Maintenance Reminder Light (Reset Procedures) >> Tire Pressure Monitor System Reminder >> TPMS Reminder Reset - Procedure 14 >> Using Exterior Lamp Switch

Using Exterior Lamp Switch

  1. Adjust all tire pressures to the recommended kPa/psi.
  2. Turn ignition ON with engine OFF.
  3. Cycle the exterior lamp switch from OFF to parking lamps 3 times within 5 seconds.
  4. Use the scan tool in order to clear the TPM DTC.