How do I check my OnStar account?
How do I check my OnStar account? You can push your blue OnStar button, call 1.888. 4ONSTAR (1.888. 466.7827), visit your account on the Owner Centre or refer to your OnStar monthly diagnostics report for your OnStar account number. How do I remove a vehicle from my OnStar account? Remove Vehicle If your vehicle has…