OnStar Steering Wheel Controls

This vehicle may have a Talk/Mute button that can be used to interact with OnStar hands-free calling. See Audio Steering Wheel Controls for more information.

On some vehicles, the mute button can be used to dial numbers into voice mail systems, or to dial phone extensions. See the OnStar Owner’s Guide for more information.

    See also:

    Electric Power Management
    This vehicle has Electric Power Management (EPM), an advanced control system. It estimates the battery’s temperature and state of charge and then adjusts the voltage for best performance and ext ...

    Checking Brake Fluid
    The brake/clutch fluid can be checked without taking off the cap by looking at the brake/clutch fluid reservoir. The fluid level should be above MIN. If it is not, have the brake/ clutch hydraulic sy ...

    OnStar Additional Information
    Transferring Service Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ow ...