See also:

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 ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, ...

Recommended Fuel
Use premium unleaded gasoline with a posted octane rating of 91 or higher. You can also use regular unleaded gasoline rated at 87 octane or higher, but the vehicle's acceleration could be slig ...