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 vehicle t ...

Interior
In standard form, the Rendezvous seats five occupants, but its reconfigurable interior can be equipped with third-row seats that hold two additional people. The second row can have either a three- ...

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