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:

    Reactivation for Subsequent Owners
    Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and options ...

    AM
    The range for most AM stations is greater than for FM, especially at night. The longer range can cause station frequencies to interfere with each other. Static can occur when things like storms an ...

    The Package
    Unlike the GMC Yukon and other truck-based SUVs, the Acadia is based on an all-new carlike platform. Because it doesn't use a truck's heavy-duty underpinnings, there's more room in the cabin for s ...