Services Not Included in Roadside Service

- 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:

    Ignition Transmission Lock Check
    While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. The ignition should turn to LOCK/OFF only when the shift lever is in P (Park). ...

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

    Hard Drive Device (HDD)
    To use the HDD, tracks must be recorded from a CD, MP3 Disc, or USB device first. ...