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  • Limited service trial of the OnStar Guidance Plan1
  • The most comprehensive level of services including: Automatic Crash Response, Turn-by-Turn Navigation, Stolen Vehicle Assistance, available built-in Wi-Fi® hotspot2 and a lot more. 
  • The OnStar Basic Plan3 for five years includes Advanced Diagnostics,4 Dealer Maintenance Notification and access to select features of the myGMC mobile app.5

1. Guidance Plan trial does not include calling minutes. Services vary by device, model and conditions. OnStar acts as a link to existing emergency service providers. Visit for vehicle availability, coverage map, details and system limitations.
2. Requires a compatible mobile device, active OnStar service and data plan.  4G LTE service available in select markets. Visit for coverage map, details and system limitations. Data plans provided by AT&T.
3. Does not include emergency or security services. Visit for coverage map, details and system limitations.
4. Capabilities vary by model. Visit for details and system limitations. Message and data rates may apply. Requires active OnStar service, email address on file and enrollment in Advanced Diagnostics.
5.  Requires data plan, compatible vehicle and compatible device. Some features require factory-installed remote start, power locks, Tire Pressure Monitoring System or active OnStar service.