See also:

Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits ...

Transmission
Driver Shift Control (DSC) The DSC switch is located on the shift lever. To enable the DSC feature: 1. Move the column shift lever to the M(Manual) position. The Driver Information Center (DIC) ...

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 ...