See also:

Maintenance Records
After the scheduled services are performed, record the date, odometer reading, who performed the service, and the type of services performed in the boxes provided. Retain all maintenance receipts. ...

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, ...

Flash-to-Pass
This feature is used to signal to the vehicle ahead that you want to pass. If the headlamps are off or in the low-beam position, pull the turn signal lever toward you to momentarily switch to high be ...