Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

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    Driving Impressions
    Cadillac's Seville was known for years as a potent road car. The STS builds solidly upon that reputation, adding a stylish exterior and ample technology. Smooth-riding and well-controlled on good ...

    Automatic Transmission
    The shift lever is located on the center console between the front seats. There are several different positions for the shift lever. P (Park): This position locks the rear wheels. Use this ...

    Automatic Headlamp System
    When it is dark enough outside, the automatic headlamp system turns on the headlamps at the normal brightness, along with the taillamps, sidemarker, parking lamps, and the instrument panel lights. ...