See also:

Digital Signal Processing (DSP)
If the radio has this feature, it has either a Bose® sound system or a Bose® 5.1 Cabin Surround® sound system. DSP is used to provide a choice of different listening experiences. To choose ...

Voice Recognition
The navigation system's voice recognition allows for hands-free operation of the navigation system, audio system, and OnStar (if equipped) features. Voice recognition can be used when the ignit ...

PRESS BRAKE TO START ENGINE (AUTOMATIC TRANSMISSION ONLY)
If the vehicle has the keyless access system, this message displays if you try to start the engine without having the brake pressed. The brake needs to be pressed when starting the engine. Se ...