See also:

How OnStar Service Works
: This blue button connects you to a specially trained OnStar advisor to verify your account information and to answer questions. : Push this red emergency button to get priority help fro ...

Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. See “REPLACE BATTERY IN REMOTE KEY” under Key and Lock Messages. The battery is not rechargeable. T ...

Endless entertainment options
Terraza is offered with a wide choice of passenger entertainment features, which can be a welcome addition on long trips while giving owners the ability to interface between the vehicle and one's ...