Verify Minutes and Expiration

Push OnStar Mobile App and say “minutes” then “verify” to check how many minutes remain and their expiration date.

    See also:

    2010 GMC Terrain Review by Kelsey Mays
    It should come as little surprise that the new GMC Terrain, a corporate twin to the redesigned Chevrolet Equinox, retains most of its sibling's strengths and weaknesses. The wild card — or, more ...

    Front Axle
    The front axle engages and disengages automatically when you shift the transfer case. Some delay for the axle to engage or disengage is normal. ...

    Muting a Call
    During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them. • To mute a call, press , and then say “Mute call.” . To cancel ...