See also:

Trip Odometer
The trip odometer can tell you how far your vehicle has been driven since you last set the trip odometer to zero. Your vehicle’s odometer works together with the Driver Information Center (DIC ...

High/Low-Beam Headlamps (Up-Level)
The high/low-beam headlamps on the up-level headlamp system are High Intensity Discharge (HID) and should be replaced at the dealer. ...

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 chan ...