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:
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines,
transmission, axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service B ...
Engine Fan
The vehicle has electric cooling fans. The fans spinning at low speed during
most everyday driving might be heard. The fans can turn off if no cooling is required.
Under heavy vehicle loading, tra ...
Driving for Better Fuel Economy
Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible.
- Avoid fast starts and accelerate
smoothly.
- Brake gradually and avoid
abrupt st ...