See also:

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 ...

Keyless Trunk/Liftgate Opening
Press the trunk/liftgate release button located above the license plate to open the trunk/liftgate if the keyless access transmitter is within range. See Trunk (Sedan, Coupe) for additional ...

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 interfer ...