See also:

Reading Lamps
There are reading lamps located on the overhead console and over the rear passenger doors. These lamps come on automatically when any door is opened. To manually turn the reading lamps on or off: ...

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 (Key Access) ...

Exterior
Designed with a chiseled look, the four-door STS features what Cadillac says is a "faster profile" with "more rake" than the CTS. All told, it's considered "more sophistic ...