9. Proceed to the left (driver’s side) rear tire, andrepeat the procedure in Step 6.10. After hearing the confirming double horn chirp, forthe left rear tire, exit the matching process byturning the ignition switch to OFF.11. Set all four tires to the recommended air pressurelevel as indicated on the tire and loading informationlabel.12. Put the valve caps back on the valve stems.The TPM system will not function properly if one ormore of the TPM sensors are missing or inoperable.If the system detects a missing or inoperable sensor anerror message of several dashes – – – will be shownon the message center display. If you have replaced atire/wheel assembly without transferring the TPMsensors, the error message will be displayed. Once youre-install the TPM sensors, the error message shouldgo off. See your GM dealer for service if all TPM sensorsare installed and the error message comes on andstays on.The TPM system operates on a radio frequency subjectto Federal Communications Commission (FCC) Rulesand with Industry and Science Canada.This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions:1. this device may not cause interference, and2. this device must accept any interference received,including interference that may cause undesiredoperation.This device complies with RSS-210 of Industry Canada.Operation is subject to the following two conditions:1. this device may not cause interference, and2. this device must accept any interference received,including interference that may cause undesiredoperation of the device.Changes or modifications to this system by other thanan authorized service facility could void authorization touse this equipment.5-67
