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:

    Under the Hood
    A 3.5-liter V-6 produces 201 horsepower in front-wheel-drive Terrazas, and 196 hp in all-wheel-drive models. The new 3.9-liter V-6 features variable valve timing and develops 240 hp and 240 pounds ...

    Hitches
    Use the correct hitch equipment. See your dealer or a hitch dealer for assistance. • The rear bumper on the vehicle is not intended for hitches. Do not attach rental hitches or other bumpe ...

    Compass
    Compass Operation There is a compass display in the upper right corner of the mirror. Compass Calibration Press and hold to activate the compass calibration mode. CAL displays in the compass ...