Unable to Connect to OnStar Message

If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push call again or try again after driving a to try the call again or try again after driving a few miles into another cellular area.

    See also:

    Roadside Service
    U.S.: 1-800-224-1400 Canada: 1-800-882-1112 TTY Users (U.S. only): 1-888-889-2438 Mexico: 01-800-466-0805 As the owner of a new Cadillac, you are automatically enrolled in the Roadside Service ...

    Door Locks
    To lock or unlock the doors from the outside, press or on the Remote Keyless Entry (RKE) transmitter. To unlock a door from the inside, pull once on the door handle to unlock it, and a second tim ...

    Tow/Haul Mode
    Pressing this button at the end of the shift lever turns on and off the tow/haul mode. This indicator light on the instrument panel cluster comes on when the tow/haul mode is on. Tow/Haul is ...