2003 Chevrolet Monte Carlo Owner's Manual - Page 72

I . Insert a flat object like a coin into the slot on the back of the transmitter. Gently pry apart the front and back. f 2. Gently pry the battery out o the transmitter. Do not use a metal object. 3. Put the new battery into the transmitter as shown on the transmitter. Use type CR2032 battery or equivalent. 4. Put the two halves back together. Make sure the halves are together tightly so water won't get in. Resynchronize and then test the transmitter. Resynchronization Notice' When the battery, use care not to touch any of the circuitry. Static from your body transferred to these surfaces may damage the transmitter. After you have changed the battery in your transmitter, you will need to resynchronize the transmitter. To do this, press the LOCK and UNLOCK buttons on the transmitter at the same time and hold for approximately seven seconds or until one horn chirp is heard. 2-7