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Programming and Setup - All Systems: Maintenance GMC Sierra III

Communication Devices

Valet Mode Reset

  1. Verify no DTCs are set. If any DTCs are set Refer to «Diagnostic Trouble Code (DTC) List - Vehicle»(ref-650999-S29873547472014081900000) . If no DTCs are set
  2. Select the Radio control function Erase Valet Mode Code with the scan tool.
  3. Select Clear and confirm the selection to erase the code.

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