See also:

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 ...

Headlamp High/Low-Beam Changer
(Headlamp High/Low-Beam Changer): Push the turn signal/ lane change lever away from you and release, to turn the high beams on. To return to low beams, push the lever again or pull it toward yo ...

Replacement Bulbs
For replacement bulbs not listed here, contact your dealer. ...