1998 Chevrolet Express Van Owner's Manual - Page 80

1. Insert a dime in the slot between the covers of the transmitter housing near the key ring hole. Remove the bottom by twisting the dime. 2. Remove and replace the battery, positive side down. Synchronization Synchronization may be necessarydue to the security method used by this system. The transmitter does not send the same signal twice to the receiver. The receiver will not respond to a signal it has beensent previously. This prevents anyone from recording and playing back the signal from the transmitter. To resynchronize your transmitter, stand close to your vehicle and simultaneously press and hold the LOCK and UNLOCK buttons on thetransmitter for at least five seconds. The door locks should cycle to confirm synchronization. If the locks do not cycle, see your dealer for service. Your Doors and How'TheyWork Front Doors To open the door from the outside, pull the handle and pull the door open. 3. Align the covers and snap them together. 4. Check the operation of the transmitter. To open the door from the inside, pull the lever toward you and push thedoor open.