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:
How to Reset the Engine Oil Life System
Reset the system whenever the engine oil is changed so that the system can calculate
the next engine oil change. Always reset the engine oil life to 100% after every
oil change. It will not reset ...
Manual Transmission
If the vehicle has a manual
transmission, the shift lever is
located on the center console
between the front seats.
The following explains how to
operate the manual transmission.
CTS
CT ...
Navigation System
If the vehicle has a navigation
system, there is a separate
navigation system manual that
includes information on the radio,
audio players, and navigation
system.
The navigation system prov ...