See also:

Accepting or Declining a Call
When an incoming call is received, the infotainment system mutes and a ring tone is heard in the vehicle. Accepting a Call Turn the MENU/SELECT knob to “Answer” and press the MENU/ SELECT knob ...

Tire Pressure Monitor Operation
This vehicle may have a Tire Pressure Monitor System (TPMS). The TPMS is designed to warn the driver when a low tire pressure condition exists. TPMS sensors are mounted onto each tire and wheel as ...

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 ch ...