OnStar

See also:

Manual Transmission
If the vehicle has a manual transmission, the shift lever is located on the center console between the front seats. The following explains how to operate the manual transmission. CTS CT ...

How to Check Automatic Transmission Fluid
Notice: Too much or too little fluid can damage the transmission. Too much can mean that some of the fluid could come out and fall on hot engine parts or exhaust system parts, starting a fire. Too ...

Dual Tone Multi-Frequency (DTMF) Tones
The Bluetooth system can send numbers and the numbers stored as name tags during a call. You can use this feature when calling a menu—driven phone system. Account numbers can also be stored for u ...