See also:

Trailer Towing (CTS-V and Coupe)
The vehicle is neither designed nor intended to tow a trailer. ...

Setting the Clock
The navigation system time and the analog clock operate independently. Changing the time through the navigation system does not change the time on the analog clock. See Clock   to change ...

Manual Operation
(Power): Press to turn the climate control system on or off. (Fan Control): Press to increase or decrease the fan speed. Pressing either button cancels automatic operation and the system goes into ...