Courtesy Lamps
The courtesy lamps come on automatically when any door is opened and the dome lamp is in the door position.
See also:
Trailer Towing
(CTS-V and Coupe)
The vehicle is neither designed nor
intended to tow a trailer. ...
Clock
The analog clock is not connected with any other vehicle system and runs by itself.
To adjust the clock, do the following:
1. Locate the adjustment button, near the lower left corner of the clock.
...
Roof
Sunroof
If the vehicle has a power
sunroof it will only operate when
the ignition is in ON/RUN or
ACC/ACCESSORY, or when
Retained Accessory Power (RAP)
is active. See Ignition Positions
( ...