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If you have any questions or concerns about your OnStar service you can reach us 7 days a week, 24 hours a day, by calling 1.888.4.ONSTAR.
OnStar services require vehicle electrical system (including battery), wireless service and GPS satellite signals to be available and operating for features to function properly. OnStar acts as a link to existing emergency service providers. Subscription Service Agreement required. Call 1.888.4.ONSTAR (1.888.466.7827) or visit onstar.com for OnStar Terms and Conditions, Privacy Statement and details and system limitations.