Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

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    Listing Stored Numbers
    The list command will list all stored numbers and name tags. Using the “List” Command 1. Press and hold for two seconds. For vehicles with a navigation system say “Hands Free” after the ton ...

    Auxiliary Devices
    The 3.5 mm (1/8 in) input jack and the USB port (if equipped), located in the center console bin, allow portable devices to connect to the vehicle. This is not an audio output; do not plug he ...

    Refreshed design, inside and out
    With overall dimensions slightly increased, the new STS conveys more of the design flair that has become a Cadillac signature. Up front, the dual-textured, multi-faceted grille first seen on the S ...