Hands-Free Calling
1. Push 
. System responds:
“OnStar ready.” 2. Say “Dial.” System responds:
“Please say the name or number to call.” 3. Say the entire number without pausing, including a “1” and the area code. System responds:
“OK calling.”
See also:
Washer Fluid Messages
WASHER FLUID LOW ADD FLUID
This message displays when the windshield washer fluid is low.
Fill the windshield washer fluid reservoir as soon as possible. See Engine Compartment Overview on page 10&# ...
Setting the Tone (Bass/Midrange/Treble)
BASS/MID/TREB (Bass, Midrange, or Treble):
To adjust bass, midrange, or treble:
1. Press until the tone control tabs display.
2. Continue pressing to highlight the tab, or press the softkey under ...
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 vehic ...