Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Automatic Operation
The system automatically controls the fan speed, air delivery, air conditioning,
and recirculation in order to heat or cool the vehicle to the desired temperature.
When the AUTO indicator light is ...
When to Add Engine Oil
3.9L V6 Engine
4.6L V8 Engine
If the oil is below the cross-hatched area at the tip of the
dipstick, add at least one quart/liter of the recommended
oil. This section explains what kind of o ...
Trunk Release
To open the trunk, press
on the Remote Keyless Entry (RKE) transmitter or press the touchpad under the vehicle emblem.
See Trunk for additional information. ...