Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    See also:

    Automatic Operation
    AUTO (Automatic): The system automatically controls fan speed, air delivery, and air conditioning in order to heat or cool the vehicle to the desired temperature. When the indicator light is ...

    Torque Lock (Automatic Transmission)
    Torque lock is when the weight of the vehicle puts too much force on the parking pawl in the transmission. This happens when parking on a hill and shifting the transmission into P (Park) is ...

    Reducing Speed While Using Cruise Control
    If the cruise control system is already activated: - Press and hold the −SET button on the steering wheel until the desired speed is reached, then release it. - To slow down in small a ...