CAB AND FRAME ACCESS 1 Synchronization The key fob may need to be synchronized to the vehicle when the battery is replaced, or when the key fob has not been used for an extended period time. See Remote Keyless Entry Troubleshooting on page 5-80, for more information. To Synchronize a Key Fob 1. Hold the key fob near the center gauge area (middle of the instrument panel). 2. Press either the lock or unlock button twice within 2 seconds. ° When the key fob is resynchronized, the doors will lock or unlock. ° If the fob fails to synchronize, it could be programmed to a different vehicle or could have failed. 1-16 Y53-1203-1D1 (02/14)