2007 GMC Savana Van Owner's Manual - Page 107

To replace the battery in the keyless entry transmitter, do the following: 3. Remove and replace the battery, positive (+) side down. 4. Snap the transmitter back together tightly to be sure no moisture can enter. 5. Press and hold the lock and unlock buttons on the remote keyless entry transmitter for seven seconds to resynchronize the transmitter. 6. Check the operation of the transmitter. 1. Use an object like a coin to pry open the transmitter. 2. Once the transmitter is separated, use an object like a pencil to remove the old battery. Do not use a metal object. 107