See also:

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the veh ...

Radio(s)
VOL/ : Press to turn the system on and off. Turn to increase or decrease the volume. FM/AM: Press to select between FM or AM. : Press to select XM™, if equipped. TUNE/TONE: Turn to select ...

Objects Detected by Both the Front and Rear Sensors
In general, if objects are detected at the same time near both the front and rear bumpers while backing up, the beeps only sound to indicate that objects are close to the rear bumper. However, if ...