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:

    Brake System Messages
    SERVICE BRAKE SYSTEM This message displays along with the brake system warning light if there is a problem with the brake system. See Brake System Warning Light on page 5‑27. If this message ap ...

    Warranty
    OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

    Treadwear
    The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would wear ...