Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    See also:

    Cruise Control
    Press to turn cruise control on and off. + RES: Press briefly to make the vehicle resume to a previously set speed or press and hold to accelerate. −SET: Press to set the speed and ac ...

    Buying New Tires
    GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) system rat ...

    Brake Assist (Except CTS-V)
    This vehicle has a brake assist feature designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature uses the stability system hydrauli ...