Customer Assistance andInformation

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Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine ...

Power Seat Adjustment
To adjust a power seat: ► Move the seat forward or rearward by sliding the control forward or rearward. ► Raise or lower the front part of the seat cushion by moving the front of the c ...

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 ...