See also:

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Door Ajar Messages
DRIVER DOOR OPEN This message displays when the driver door is not closed completely. Close the door completely. HOOD OPEN This message displays when the hood is not closed completely. Make s ...

Removal and Installation of the Sealant Canister
To remove the sealant canister: 1. Unwrap the sealant hose. 2. Press the canister release button. 3. Pull up and remove the canister. 4. Replace with a new canister which is available from you ...