GM Service Manual Online
For 1990-2009 cars only

Important: After resetting, the Tire Pressure Monitor (TPM) system requires up to 30 minutes of straight line driving in each of the 3 speed ranges to complete the calibration process, for further information, refer to Tire Pressure Monitor Description and Operation . If the TPM system does not reset, refer to Low Tire Pressure Indicator Does Not Reset . If DTC C1245 remains current, refer to Diagnostic System Check - Tire Pressure Monitoring .

Using the RESET button

  1. Adjust the tire pressures to the recommended kPa/psi. Refer to Tire Inflation Pressure Specifications in Maintenance and Lubrication, or to Tire Placard in General Information.
  2. Turn ON the ignition, with the engine OFF.
  3. Press and release the RESET button located in the drivers side IP fuse block. The CHANGE OIL indicator will begin to flash.
  4. Press and release the RESET button again. The CHANGE OIL indicator will turn off, and the LOW TIRE PRESSURE indicator begins to flash.
  5. Press and hold the RESET button until the chime sounds and the LOW TIRE PRESSURE indicator turns off.
  6. Use the scan tool in order to clear the TPM DTC.