Verify Minutes and Expiration
Push 
and say “minutes” then
“verify” to check how many minutes
remain and their expiration date.
See also:
Rear Compartment Fuse
Block (CTS Wagon)
This fuse block is on the right side
of the vehicle, behind the trim panel
in the rear compartment.
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.
...
California Perchlorate Materials Requirements
Certain types of automotive applications, such as airbag initiators, safety
belt pretensioners, and lithium batteries contained in Remote Keyless Entry
transmitters, may contain perchlorate material ...
Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in
the DIC. See “REPLACE BATTERY IN REMOTE KEY” under Key and Lock Messages for additional information.
Notice: ...