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General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface. A. Fill Plug B. Drain Plug When the differential is cold, add enough lubricant to raise the level from 0mm (0 in) to 3. ...

Lateral Acceleration (CTS-V Only)
Lateral Acceleration measures the force of a turn or corner. For example, when turning right, it forces to the left. This gauge displays the “g” force from 0.0 g to 2.0 g. ...