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:
Extending Engine Run Time
For a 10-minute extension, repeat Steps 1 and 2 while the engine is still
running. The remote start can only be extended once.
When the remote start is extended, the second 10-minute period will s ...
Door Locks
To lock or unlock the doors from the outside, press or on the Remote
Keyless Entry (RKE) transmitter.
To unlock a door from the inside, pull once on the door handle to unlock it,
and a second tim ...
Sunroof
A. Open or Close
B. Vent
On vehicles with a sunroof, the sunroof only operates when the ignition is in
the ACC/ACCESSORY or ON/RUN, or when Retained Accessory Power (RAP) is active. See
Retain ...