See also:

Skip Shift (CTS–V)
Under light acceleration, the transmission will only allow you to shift from 1 (First) to 4 (Fourth). Shifts from 1 (First) to 2 (Second) or 3 (Third) are not allowed. This helps improve fuel ...

SUSPENSION MODE TOUR (CTS-V ONLY)
This message will be displayed when touring mode is selected using the Magnetic Ride Control button in the center of the instrument panel. See Magnetic Ride Control for more information. ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...