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:
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher.
If the octane rating is less than 87, an audible knocking noise, commonly
referred to as spark knock, might be heard when d ...
Removing the Flat Tire and
Installing the Spare Tire
1. Do a safety check before
proceeding. See If a Tire
Goes Flat
2. Use the wrench to loosen all of
the wheel nuts. Do not remove
them yet.
3. Find the jacking location using
the diagra ...
XM Categories
XM stations are organized in
categories.
Removing or Adding Categories
(Radio with CD and Radio with
Six-Disc CD Only)
1. Press the CONFIG button.
2. Press the softkey below the
XM tab.
3. ...