Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle.
See also:
Rear Floor Storage Lid
CAUTION:
If any removable convenience item is not
secured properly, it can move around in a
collision or sudden stop. People in the
vehicle could be injured. Be sure to
secure any such item pro ...
Recommended Fluids and Lubricants
Usage
Fluid/Lubrican
Engine Oil
The engine requires engine oil approved to the dexos specification.
Oils meeting this specification can be identified with the dexos
cer ...
Wheel Replacement
Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced.
If the wheel leaks air, replace it.
...