See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Sound
Press CONFIG to enter the configure menu options, then press CONFIG again, repeatedly until Sound is selected or press the Sound screen button to make speaker and DSP (Digital Signal Processing) a ...

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, ...