2012 Cadillac CTS Owner Manual - Page 44

2-12 Keys, Doors, and Windows 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. 2. Separate the transmitter with a flat, thin object inserted into the slot on the side of the transmitter. Do not try to separate the transmitter by inserting a flat, thin object into the key slot. This will permanently damage 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. 1. Remove the key from the transmitter by pressing the thin button near the bottom of the transmitter and pulling the key out. Do not pull the key out without pressing the button. 6. Reinstall the key into the transmitter. Starting the Vehicle with a Low Transmitter Battery 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. If the transmitter battery is weak, the DIC may display ELECTRONIC KEY NOT DETECTED when you try to start the vehicle. To start the vehicle, place the transmitter in the center console storage area transmitter pocket with the buttons facing to the front of the vehicle. Then, with the vehicle in P (Park) or N (Neutral), press the brake pedal and the ignition control knob. See Starting the Engine on page 9￿21, for additional information about the vehicle's electronic keyless ignition. Replace the transmitter battery as soon as possible.