See also:

Delayed Locking
When this feature is enabled and the doors are locked with the power lock switch on the instrument panel or front door panels, three chimes sound to signal that the delayed locking feature is in use ...

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

Architecture and suspension
The story starts with the XLR's backbone, upon which the car's dynamic capabilities depend. Based on GM's new performance car architecture, this unique and patented structure comprises steel hydro ...