Exterior

Designed with a chiseled look, the four-door STS features what Cadillac says is a "faster profile" with "more rake" than the CTS. Cadillac styling touches include a wide airfoil grille with dual horizontal slats, a dihedral-shaped hood and vertically stacked twin-projector headlights. The sides of the STS are devoid of decoration. LED taillamps contain indirect optics to provide a more even lighting pattern.

Body-panel gaps promise close tolerances. Either 17- or 18-inch wheels can be installed.

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    Power Outlets
    Accessory power outlets can be used to plug in electrical equipment, such as a cell phone or MP3 player. There are three accessory power outlets. The power outlets located below the climate c ...

    Auxiliary Devices (Radio with CD/DVD and MEM)
    The optional AUX input allows portable devices to be connected using the 3.5mm (1/8 in) input jack or the USB port. Portable devices are controlled by using the menu system described in Operation ...

    Charging System Light
    The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is starte ...