†Capabilities vary by model and service plan. Visit onstar.com for details and system limitations. Message and data rates may apply. Requires active service, email address on file and enrollment in Vehicle Diagnostics. Not all issues will deliver alerts. On-Demand Diagnostics requires a paid service plan.
*Visit onstar.com for vehicle availability, details and system limitations. Services and connectivity vary by model, conditions and location. Requires active service and data plan. Data plans provided by AT&T.
1 Requires a compatible smartphone with Bluetooth profile (M.A.P.) and applicable text messaging features. Visit my.buick.com/learn for vehicle and smartphone eligibility.
2 Available on select Apple and Android devices. Service availability, features and functionality are subject to limitations and vary by vehicle, device, the plan you are enrolled in. Device data connection required. Visit onstar.com for more details.
3 Requires subscription to Remote Access Plan or Unlimited Access Plan. Services are subject to user terms and limitations, and vary by vehicle model. Unlock feature requires automatic locks. Remote start requires GM factory-installed and enabled remote start system. Visit onstar.com for more details.
4 Vehicle must be equipped with tire-pressure monitoring system. Does not apply to spare tire.