Battery Replacement
Notice: When replacing the battery, do not touch any of the circuitry on
the transmitter.
Static from your body could damage the transmitter.
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC.
1. Press the button near the bottom of the transmitter and pull the key out.

2. Use the key blade to separate the two halves of the transmitter.
3. Remove the old battery.
Do not use a metal object.
4. Insert the new battery, positive side facing down. Replace with a CR2032
or equivalent battery.
5. Snap the transmitter back together.
See also:
Place a Call Using a Stored
Number
1. Push . System responds:
“OnStar ready.”.
2. Say “Call <name tag>.”.
System responds: “OK,
calling <name tag>.” ...
Rear Compartment
Fuse Block
(CTS Coupe and Sedan)
The rear compartment fuse block is
located on top of the battery, on the
right side of the trunk. The battery
access door must be removed to
access the fuse block.
The vehicle may not be equi ...
Rear Compartment Fuse
Block (CTS-V Wagon)
The rear compartment fuse block is
located on the passenger side of the
vehicle, behind the trim panel in the
rear compartment.
The vehicle may not be equipped
with all of the fuses and relay ...






