2012 Chevrolet Tahoe Owner's Manual - Page 41

Keys, Doors, and Windows Programming Transmitters to the Vehicle Only RKE transmitters programmed to this vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer. When the replacement transmitter is programmed to this vehicle, all remaining transmitters must also be reprogrammed. Any lost or stolen transmitters will no longer work once the new transmitter is programmed. The vehicle can have a maximum of eight transmitters programmed to it. See your dealer to program transmitters to the vehicle. 2-5 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 on page 5‑41 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, such as a flat head screwdriver. . Carefully insert the tool into the notch located along the parting line of the transmitter. Do not insert the tool too far. Stop as soon as resistance is felt. Twist the tool until the transmitter is separated. .