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:
SBZA Messages
The following messages may
appear on the infotainment display:
SIDE BLIND ZONE ALERT
SYSTEM OFF: This message
indicates that the driver has turned
the system off.
SIDE BLIND ZONE ALERT
SYS ...
Keyless Trunk/Liftgate Opening
Press the trunk/liftgate release
button located above the license
plate to open the trunk/liftgate if the
keyless access transmitter is within
range. See Trunk (Sedan, Coupe) for additional
...
Before Driving
The RSE is for rear seat passengers only. The driver cannot safely view the
video screen while driving.
In severe or extreme weather conditions the RSE system may not work until
the temperature i ...






