See also:

Fuel System Messages
FUEL LEVEL LOW This message displays and a chime sounds if the fuel level is low. Refuel as soon as possible. See Fuel Gauge   and Fuel   for more information. TIGHTEN GAS CAP ...

What to Use
Refer to Recommended Fluids and Lubricants   to determine what kind of lubricant to use. ...

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 c ...