See also:

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

Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and viscosity grade. See Recommended Fluids and Lubricants. ...

Airbag System Messages
SERVICE AIR BAG This message displays when there is a problem with the airbag system. Have the vehicle serviced by your dealer immediately. See Airbag Readiness Light for more information. ...