Services Not Included in Roadside Assistance

• Impound towing caused by violation of any laws.

• Legal fines.

• Mounting, dismounting, or changing of snow tires, chains, or other traction devices.

• Towing or services for vehicles driven on a non-public road or highway.

    See also:

    How OnStar Service Works
    Push this blue button to connect to a specially trained OnStar Advisor to verify your account information and to answer questions. Push this red emergency button to get priority help from specially ...

    eAssist Automatic Engine Start/Stop
    WARNING! Exiting the vehicle, without first shifting into P (Park), may cause the vehicle to move, you or others may be injured. Because the vehicle has the automatic engine start/stop feat ...

    Tire Size
    The following examples show the different parts of a tire size. (A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing system. The letter P as the first character in th ...