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:
Language — English/Metric
To change the language of the navigation screens or to change the navigation
screens from English or metric, see Driver Information Center (DIC)
for more information. ...
Vehicle Security
This vehicle has theft-deterrent features; however, they do not make it
impossible to steal. ...
Radio Message
Locked: Displays when the
TheftLock® system has locked up
the infotainment system. Take the
vehicle to your dealer for service.
If any error occurs repeatedly or if
an error cannot be correct ...