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 ProcedureCruise Grade Braking Description Automatic Transmission Unit
PurposeCruise grade braking assists when driving on a downhill grade.It maintains vehicle speed by automatically implementing a shift schedule that usesthe engine and the transmission to slow the vehicle.ActivationThis feature is internal to the vehicle's software/calibration and requires no custome ...