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 ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Display
Press CONFIG to enter the configure menu options, then press CONFIG repeatedly until Display is selected or press the Display screen button. Display OFF Press this screen button to turn the disp ...