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:
Radiator Pressure Cap
Notice: If the pressure cap is not tightly
installed, coolant loss and possible engine
damage may occur. Be sure the cap is properly
and tightly secured. ...
Air Intake
Clear away any ice, snow, or leaves
from the air intake at the base of the
windshield that can block the flow of
air into the vehicle. ...
Buying New Tires
GM has developed and matched
specific tires for the vehicle. The
original equipment tires installed
were designed to meet General
Motors Tire Performance Criteria
Specification (TPC Spec)
...