2013 Chevrolet Tahoe Owner Manual - Page 38

2-4 Keys, Doors, and Windows 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. 8 (Power Liftgate): Press and hold to open and close the liftgate. The taillamps flash and a chime sounds to indicate when the liftgate is opening and closing. L (Vehicle Locator/Panic Alarm): Press and release to locate the vehicle. The turn signal lamps flash and the horn sounds three times. Press and hold L for more than two seconds to activate the panic alarm. The turn signal lamps flash and the horn sounds repeatedly for 30 seconds. The alarm turns off when the ignition is moved to ON/ RUN or L is pressed again. The ignition must be in LOCK/OFF for the panic alarm to work. 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 5‑38 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. . 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. 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. . 2. Remove the old battery. Do not use a metal object.