If you don't want it, throw it away. Better yet, keep the OnStar and throw away the G.M. product.
I’ve heard similar advice.....
+Open the hood.
+Remove the radiator cap.
+Park a different vehicle under the radiator cap.
+Install radiator cap.
+Close the hood.
GM should have been left to fold.
The tax payers will never ever see the money repaid, NEVER.