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.

    See also:

    Tire Rotation and Required Services Every 12 000 km/ 7,500 mi
    Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation  . Check engine oil level and oil life percentage. If needed, change engine oil an ...

    Interior
    The DTS can hold either five or six occupants, with a choice of front bucket seats or a front bench. Compared with the DeVille, the instrument panel has been lowered and moved forward. A new analo ...

    Safety
    Standard features include antilock brakes, side-impact airbags for the front seats, side curtain airbags, an electronic stability system, and a tire pressure monitoring system. For a full list of ...