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:

    Retained Accessory Power (RAP)
    Your vehicle has a Retained Accessory Power (RAP) feature which lets certain features of your vehicle to continue to work up to 20 minutes after the ignition key is turned to LOCK. The radio, po ...

    Cruise Control
    The cruise control lets the vehicle maintain a speed of about 40 km/h (25 mph) or more without keeping your foot on the accelerator. Cruise control does not work at speeds below 40 km/h (25 mph). ...

    High/Low-Beam Headlamps (Up-Level)
    The high/low-beam headlamps on the up-level headlamp system are High Intensity Discharge (HID) and should be replaced at the dealer. ...