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:

    Interactive Drive Control System
    Buick Regal's Interactive Drive Control System chassis technology (available on models with the available 2.0L turbo engine) offers enhanced vehicle stability and greater driving safety. It is des ...

    Global Off
    Depending on the infotainment system, the RSE system may have a Global Off feature. The Global Off feature disables all RSE system features. Press and hold the radio power button for more th ...

    Electric Power Management
    This vehicle has Electric Power Management (EPM), an advanced control system. It estimates the battery’s temperature and state of charge and then adjusts the voltage for best performance and ext ...