U.S.: 1-800-243-8872
TTY Users (U.S. Only): 1-888-889-2438
Canada: 1-800-268-6800
As the owner of a new Chevrolet, you are automatically enrolled in the Roadside Assistanceprogram.
SeeRoadside Assistance Program.
Using this Manual
Scan Tool Snapshot ProcedureHorns System Description and Operation Horn
System DescriptionThe horn system consists of the following components:HORN fuseUnderhood fuse block (contains PCB horn relay)Horn switchHorn-low noteHorn-high noteBody control module (BCM)K84Keyless Entry Control ModuleS33Horn SwitchK73Telematics Communication Interface Control ModuleK9Body Control ...