Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message appears in the DIC. See “REPLACE BATTERY IN REMOTE KEY” under DIC Warnings and Messages for additional information.
Notice: When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body could damage the transmitter.

To replace the battery:
1. Separate the transmitter with a flat, thin object inserted into the notch on the side.
2. Remove the old battery. Do not use a metal object.
3. Insert the new battery, positive side facing down.
Replace with a CR2032 or equivalent battery.
4. Snap the transmitter back together.
See also:
Managing the Vehicle Damage Repair Process
In the event that the vehicle requires damage repairs, GM recommends that you
take an active role in its repair. If you have a pre-determined repair facility
of choice, take the vehicle there, or ...
Passenger Sensing System
Your vehicle has a passenger sensing system for
the right front passenger’s position. A passenger
airbag status indicator in the rearview mirror will be
visible when you turn your ignition key to ...
Rear Window Defogger
(Rear Defogger): Press to turn the
rear window defogger on or off. The rear window defogger turns off after about 10
minutes. It can also be turned off by turning the ignition to ACC/ACCESSORY or ...
