See also:

Service Vehicle Messages
SERVICE A/C SYSTEM This message displays when the electronic sensors that control the air conditioning and heating systems are no longer working. Have the climate control system serviced by ...

Lamp Messages
AFL (ADAPTIVE FORWARD LIGHTING) LAMPS NEED SERVICE This message displays when the Adaptive Forward Lighting (AFL) system is disabled and needs service. See your dealer. See Adaptive Forwa ...

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there is ...