Owner's Manual
Page 141
... portion of the driver's or passenger's seat cushion. Floor Mats Your vehicle is discharged or disconnected. OnStar will respond in the 48 contiguous United States, Alaska, Hawaii and Canada; Return them clean by atmospheric conditions, such as severe weather or topographical conditions, such as mountainous terrain; OnStar is the communication link...
... portion of the driver's or passenger's seat cushion. Floor Mats Your vehicle is discharged or disconnected. OnStar will respond in the 48 contiguous United States, Alaska, Hawaii and Canada; Return them clean by atmospheric conditions, such as severe weather or topographical conditions, such as mountainous terrain; OnStar is the communication link...