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:

    Starting Procedure
    1. With your foot off the accelerator pedal, turn the ignition key to START. If the vehicle has the keyless access system, push the ignition control knob in and rotate the knob to the START ...

    Cabin Luxury
    The redesigned 2008 CTS was one of the prime examples of GM's renewed commitment to interior quality, and the design has held up well over the past few years; it still looks modern and inviting in ...

    Navigation System
    If the vehicle has a navigation system, use of the system may result in the storage of destinations, addresses, telephone numbers, and other trip information. Refer to the navigation manual for i ...