Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    See also:

    Cellular Phone Usage
    Cellular phone usage may cause interference with the vehicle's radio. This interference may occur when making or receiving phone calls, charging the phone's battery, or simply having the phone on. T ...

    Tire Designations
    Tire Size The examples show a typical passenger vehicle and light truck tire size. Passenger (P-Metric) Tire (A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing syst ...

    Storing a Flat or Spare Tire and Tools
    WARNING Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all t ...