See also:

Rear Windows
Power Sliding Rear Window On vehicles with a power sliding rear window, the switch is located in the overhead console. The power sliding rear window works when the ignition has been turned to ACC/ ...

Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection. Engin ...

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, ...