OnStar Services

See also:

Automatic Transmission Fluid
How to Check Automatic Transmission Fluid It is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the v ...

Transferring a Call
Audio can be transferred between the Bluetooth system and the cell phone. The cell phone must be paired and connected with the Bluetooth system before a call can be transferred. The connect ...

California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this ...