Tire Pressure Sensor Initialization

1. Adjust all 4 tire pressures to the specified tire pressure located on the Tire Placard.
2. Turn ignition to the ON position. Press the tire pressure warning reset switch until the tire pressure warning indicator flashes 3 times. Turn ignition to the OFF position, then the ON position. See Fig 1.
3. Using a scan tool, confirm the tire pressures are displayed correctly. Initialization is complete.

NOTE: If the tire pressures are not displayed correctly repeat initialization procedure.

Fig 1: Identifying Tire Pressure Warning Reset Switch

Courtesy of GENERAL MOTORS CORP.